:root {
    --bg-main: #186f6d;
    --bg-light: #00a7a3;
}

::selection {
    color: #fff;
    background: #00a7a3;
}

header,
footer {
    background-image: linear-gradient(to left, #00a7a3 40%, #186f6d);
    overflow: initial;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
    margin: 0;
    font-family: "PT Sans", sans-serif;
    font-size: 18px;
    font-weight: 400;
    line-height: 2;
    color: #555;
    background: #eee;
}

hr {
    box-sizing: content-box;
    height: 0;
    overflow: visible;
}

a {
    color: #007bff;
    text-decoration: none;
    background-color: transparent;
}

a:hover {
    color: inherit;
    text-decoration: underline;
}

a:not([href]):not([class]) {
    color: inherit;
    text-decoration: none;
}

a:not([href]):not([class]):hover {
    color: inherit;
    text-decoration: none;
}

img {
    vertical-align: middle;
    border-style: none;
}

table {
    border-collapse: collapse;
}

.ant__table {
    width: 100%;
    background: #09908d;
    border: 3px solid #d1d6dc;
    border-radius: 9px;
    border-collapse: unset;
    width: max-content;
}

.ant__table tr:first-child td {
    background: #09908d;
    border: 1px solid #d1d6dc;
    color: white;
}

.ant__table tr td {
    background-color: white;
    border: 1px solid #d1d6dc;
    padding: 6px 15px;
}

.table-responsive {
    display: block;
    width: 95%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    -ms-overflow-style: -ms-autohiding-scrollbar;
}

label {
    display: inline-block;
    margin-bottom: 0.5rem;
}

button:focus:not(:focus-visible) {
    outline: 0;
}

[role="button"] {
    cursor: pointer;
}

output {
    display: inline-block;
}

[hidden] {
    display: none !important;
}

h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
    margin-bottom: 0.5rem;
    margin-top: 0.5rem;
    font-weight: 500;
    line-height: 1.2;
}

h1,
.h1 {
    font-size: 2.5rem;
}

h2,
.h2 {
    font-size: 2rem;
}

h3,
.h3 {
    font-size: 1.75rem;
}

h4,
.h4 {
    font-size: 1.5rem;
}

h5,
.h5 {
    font-size: 1.25rem;
}

h6,
.h6 {
    font-size: 1rem;
}

.lead {
    font-size: 1.25rem;
    font-weight: 300;
    margin-left: 10px !important;
    margin-right: 40px !important;
    padding-left: 40px;
    font-size: 26px;
    text-decoration: underline black;
}

hr {
    margin-top: 1rem;
    margin-bottom: 1rem;
    border: 0;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

.bg-white {
    background-color: #fff !important;
}

.bg-main {
    background: var(--bg-main) !important;
}

.border {
    border: 1px solid #dee2e6 !important;
}

.rounded {
    border-radius: 0.25rem !important;
}

.shadow {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

.pre-scrollable {
    max-height: 340px;
    overflow-y: scroll;
}

.form-control {
    display: block;
    width: 100%;
    height: calc(1.5em + 0.75rem + 2px);
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control-sm {
    height: calc(1.2em + 0.49rem + 2px);
    padding: 0.249rem 0.49rem;
}

@media (prefers-reduced-motion: reduce) {
    .form-control {
        transition: none;
    }
}

.form-control::-ms-expand {
    background-color: transparent;
    border: 0;
}

.form-control:-moz-focusring {
    color: transparent;
    text-shadow: 0 0 0 #495057;
}

.form-control:focus {
    color: #495057;
    background-color: #fff;
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.1rem rgba(0, 123, 255, 0.25);
}

.form-control::-webkit-input-placeholder {
    color: #6c757d;
    opacity: 1;
}

.form-control::-moz-placeholder {
    color: #6c757d;
    opacity: 1;
}

.form-control:-ms-input-placeholder {
    color: #6c757d;
    opacity: 1;
}

.form-control::-ms-input-placeholder {
    color: #6c757d;
    opacity: 1;
}

.form-control::placeholder {
    color: #6c757d;
    opacity: 1;
}

.form-control:disabled,
.form-control[readonly] {
    background-color: #e9ecef;
    opacity: 1;
}

input[type="date"].form-control,
input[type="time"].form-control,
input[type="datetime-local"].form-control,
input[type="month"].form-control {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

select.form-control:focus::-ms-value {
    color: #495057;
    background-color: #fff;
}

.btn {
    display: inline-block;
    font-weight: 400;
    color: #212529;
    text-align: center;
    vertical-align: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out,
        border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    line-height: 1.5;
    border-radius: 0.2rem;
}

@media (prefers-reduced-motion: reduce) {
    .btn {
        transition: none;
    }
}

.btn:hover {
    color: #212529;
    text-decoration: none;
}

.btn:focus,
.btn.focus {
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.btn.disabled,
.btn:disabled {
    opacity: 0.65;
}

.btn:not(:disabled):not(.disabled) {
    cursor: pointer;
}

.nav {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
}

.nav-link {
    display: block;
    padding: 0.5rem 1rem;
}

.nav-link:hover,
.nav-link:focus {
    text-decoration: none;
}

.navbar {
    position: relative;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: justify;
    justify-content: space-between;
    padding: 0.2rem 1rem;
}

.navbar .container,
.navbar .container-fluid,
.navbar .container-sm,
.navbar .container-md,
.navbar .container-lg,
.navbar .container-xl {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: justify;
    justify-content: space-between;
}

.navbar-brand {
    position: relative;
    display: inline-block;
    padding-top: 0.3125rem;
    padding-bottom: 0.3125rem;
    margin-right: 1rem;
    font-size: 1.8rem;
    line-height: 1.5;
    white-space: nowrap;
}

.navbar-brand:hover,
.navbar-brand:focus {
    text-decoration: none;
}

a.navbar-brand::before {
    content: "Antiderivative Calculator";
    color: #fff;
    font-size: 18px;
    position: absolute;
    left: 100%;
    margin-left: 10px;
    line-height: 45px;
}

.navbar-nav {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
}

.navbar-nav .nav-link {
    padding-right: 0;
    padding-left: 0;
}

.nav-justified>.nav-link,
.nav-justified .nav-item {
    -ms-flex-preferred-size: 0;
    flex-basis: 0;
    -ms-flex-positive: 1;
    flex-grow: 1;
    text-align: center;
}

.text-right {
    text-align: right !important;
}

.text-left {
    text-align: left !important;
}

.alert {
    position: relative;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
}

.alert-close {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 2;
    padding: 0.75rem 1.25rem;
    color: inherit;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.text-capitalize {
    text-transform: capitalize !important;
}

.align-self-center {
    -ms-flex-item-align: center !important;
    align-self: center !important;
}

.bdr {
    border: 1px solid;
}

.text-white {
    color: #fff;
}

.text-gray {
    color: gray;
}

.text-bold {
    font-weight: 700;
}

.justify-content-center {
    -ms-flex-pack: center !important;
    -webkit-box-pack: center !important;
    justify-content: center !important;
}

.loading-overlay {
    display: none;
    text-align: center;
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 7px;
    z-index: 12;
}

.lds-dual-ring {
    background-image: url(../../../images/favicon_v-1.ico);
    background-position: center;
    background-repeat: no-repeat;
    background-size: auto;
    width: 64px;
    height: 64px;
    position: relative;
    display: inline-block;
    top: 35%;
    margin-top: 30px;
}

.lds-dual-ring img {
    position: absolute;
    left: 12.5px;
    top: 12px;
    width: 44px;
}

.lds-dual-ring:after {
    content: " ";
    display: block;
    width: 64px;
    height: 64px;
    margin: 1px;
    border-radius: 50%;
    border: 3px solid #e1e1e1;
    border-color: #e1e1e1 transparent;
    -webkit-animation: lds-dual-ring 2s linear infinite;
    animation: lds-dual-ring 2s linear infinite;
}

@-webkit-keyframes lds-dual-ring {
    0% {
        -webkit-transform: rotate(0);
        transform: rotate(0);
        border-color: #e0e0e0 transparent;
    }

    50% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
        border-color: #ff239e transparent;
    }

    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
        border-color: #00a7a3 transparent;
    }
}

@keyframes lds-dual-ring {
    0% {
        -webkit-transform: rotate(0);
        transform: rotate(0);
        border-color: #e0e0e0 transparent;
    }

    50% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
        border-color: #00a7a3 transparent;
    }

    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
        border-color: #e0e0e0 transparent;
    }
}

.text-center {
    text-align: center !important;
}

[data-tooltip] {
    position: absolute;
    display: inline-block;
}

[data-tooltip]:hover:after,
[data-tooltip]:hover:before {
    opacity: 1;
}

[data-tooltip]:after,
[data-tooltip]:before {
    position: absolute;
    top: -8px;
    left: 50%;
    z-index: 9999;
    opacity: 0;
}

[data-tooltip]:before {
    content: "";
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    border-width: 4px 6px 0;
    border-style: solid;
    border-color: rgba(0, 0, 0, 0.8) transparent transparent;
}

[data-tooltip]:after {
    width: -webkit-max-content;
    width: -moz-max-content;
    width: max-content;
    content: attr(data-tooltip);
    -webkit-transform: translateX(-50%) translateY(-100%);
    -ms-transform: translateX(-50%) translateY(-100%);
    transform: translateX(-50%) translateY(-100%);
    background: rgba(0, 0, 0, 0.7);
    text-align: center;
    color: #fff;
    padding: 4px 2px;
    font-size: 12px;
    min-width: 80px;
    border-radius: 5px;
    pointer-events: none;
    padding: 4px;
}

input.rmArrow::-webkit-outer-spin-button,
input.rmArrow::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input.rmArrow[type="number"] {
    -moz-appearance: textfield;
}

.default-font {
    font-family: "Trebuchet MS", sans-serif;
}

.h1_heading {
    font-size: 28px;
    font-weight: 700;
}

@media (max-width: 576px) {
    .flex-sm-reverse {
        flex-direction: column-reverse;
    }

    .model-box {
        width: 400px;
        left: calc(100% - 32%);
    }

    .h1_heading {
        font-size: 26px;
    }

    a.navbar-brand::before {
        font-size: 16.8px;
    }

    .licn {
        font-size: x-small !important;
    }

    .navbar {
        padding: 0.5rem;
    }
}

@media (max-width: 352px) {
    a.navbar-brand::before {
        font-size: 14.8px;
    }
}

.model-bg {
    background: rgba(0, 0, 0, 0.4);
    height: 100%;
    width: 100%;
    position: fixed;
    z-index: 1021;
    display: none;
    top: 0;
}

.model-box {
    background: #fff;
    height: auto;
    left: 50%;
    width: 600px;
    margin: 0 auto;
    min-height: 200px;
    position: fixed;
    top: 40px;
    margin-left: -300px;
    z-index: 1060;
    display: none;
    border-radius: 10px;
    -webkit-box-shadow: 0 0 50px -5px #3a3a3a;
    box-shadow: 0 0 50px -5px #3a3a3a;
    padding: 0;
    overflow: hidden;
}

.model-box .model-heading {
    width: 100%;
    display: block;
    color: #000;
    border-bottom: 1px solid #929292;
    background: #fff;
    text-align: left;
    padding: 10px;
    font-size: 20px;
}

.model-box .model-body {
    font-size: 16px;
    width: 100%;
    display: block;
    color: #6b6b6b;
    min-height: 150px;
    padding: 10px;
}

.model-box .model-footer {
    width: 100%;
    display: block;
    background-image: linear-gradient(to left, #00a7a3 40%, #186f6d);
    color: #fff;
    margin-bottom: 0;
    padding: 15px;
    text-align: center;
}

.close-model {
    position: absolute;
    right: 14px;
    top: 10px;
    cursor: pointer;
    color: #494949;
    font-size: 18px;
    font-weight: 700;
    background: #e7e7e7;
    border-radius: 3px;
    padding: 0 8px;
    border: none;
}

.close-model:hover {
    color: #000;
    background: #ccc;
}

.model-box .model-footer a {
    color: #56173a;
}

.model-box .model-footer a:hover {
    text-decoration: underline;
}

.navbar .btn {
    background: #00000019;
}

.navbar .btn:hover {
    color: #fff;
    background: transparent;
}

footer .h3.w-fit {
    font-weight: 700;
    border-bottom: 2px solid #00a7a3;
}

footer {
    background-color: #186f6d;
    overflow: hidden;
}

footer p {
    opacity: 0.8;
    line-height: 1.8;
}

.w-fit {
    width: fit-content;
}

.social-ul a {
    line-height: 1;
    background: #00000036;
}

.social-ul a:hover {
    background: transparent;
}

.navbar-brand:hover {
    color: #fff;
}

#limit {
    width: 60px;
}

@media (max-width: 480px) {
    .label-sm {
        font-size: 15px;
    }

    .wrt-row .form-control-sm {
        display: block !important;
    }

    .navbar-brand {
        font-size: larger;
    }
}

.lh-n {
    line-height: normal;
}

#eq_parse .munderover .mo:first-child,
#eq_parse .texatom:first-child {
    color: #214a5b;
}

#eq_parse .texatom:first-child .mo {
    color: #214a5b;
    font-size: smaller;
    padding-left: 6px;
}

.pl-sm {
    padding: 0;
}

.label-sm {
    font-size: 12px !important;
    white-space: nowrap;
}

.load-ex {
    font-size: 10px;
}

[data-tooltip]:after {
    font-family: "system-ui";
}

/* #eq_result img{max-width:100%;display:flex;margin:10px auto} */
/* #eq_result summary{padding:10px;background:#eee;margin:10px 0;cursor:pointer} */
#eq_result h2 {
    margin: 5px auto 10px;
    font-size: 20px;
    line-height: normal;
}

#eq_result pre {
    display: none;
}

caption small {
    font-size: initial;
}

.ans_caption {
    caption-side: bottom;
    font-size: large;
    cursor: pointer;
    display: table-caption;
    text-decoration: underline;
}

#exLoad {
    width: 80px;
    height: 60px;
}

#exLoad:focus {
    outline: none;
}

#MathInput {
    height: 60px;
    font-size: x-large;
}

.loadRandom {
    width: -webkit-min-content;
    width: -moz-min-content;
    width: min-content;
}

.mNav {
    height: 100%;
    width: 100%;
    position: fixed;
    z-index: 1;
    top: -100%;
    left: 0;
    background-color: rgba(0, 0, 0, 0.9);
    overflow-y: hidden;
    transition: 0.5s;
}

.nav-menu-toggler {
    font-size: 20px;
}

.x-cross {
    font-weight: 400;
    font-size: 30px;
    line-height: normal;
    z-index: 3;
}

.h-100 {
    top: 0;
}

.mNav ul {
    list-style: none;
}

.mNav ul li {
    border: 1px solid #00a7a3;
    background: #e9f6f326;
}

.mNav ul li .nav-link {
    color: var(--bg-light);
}

.mNav ul li a:hover,
.mNav ul li a:focus {
    color: var(--bg-light);
}

.content-section a {
    color: #008380;
}

.preview-section {
    background: #4db79e1f;
    display: grid;
    overflow-x: auto;
}

.preview-label {
    text-transform: uppercase;
    font-size: 15px;
    font-family: sans-serif;
}

.calc_btn {
    background-image: linear-gradient(to left, #00a7a3, #186f6d);
    width: 80%;
    height: 40px;
    margin: 10px;
}

.res_btn {
    background: #eee;
    width: 80%;
    height: 40px;
    margin: 10px;
}

.table-of-content a {
    color: #008380;
    font-size: 20px;
}

.table-of-content ul {
    list-style: decimal;
}

.table-of-content ul li a {
    color: #000;
}

.table-of-content ul li::marker {
    color: gray;
}

[data-tooltip] {
    position: relative;
    display: inline-block;
}

[data-tooltip]:hover:after,
[data-tooltip]:hover:before {
    opacity: 1;
}

[data-tooltip]:after,
[data-tooltip]:before {
    position: absolute;
    top: -8px;
    left: 50%;
    z-index: 9999;
    opacity: 0;
}

[data-tooltip]:before {
    content: "";
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    border-width: 4px 6px 0;
    border-style: solid;
    border-color: rgba(0, 0, 0, 0.8) transparent transparent;
}

[data-tooltip]:after {
    width: -webkit-max-content;
    width: -moz-max-content;
    width: max-content;
    content: attr(data-tooltip);
    -webkit-transform: translateX(-50%) translateY(-100%);
    -ms-transform: translateX(-50%) translateY(-100%);
    transform: translateX(-50%) translateY(-100%);
    background: rgba(0, 0, 0, 0.7);
    text-align: center;
    color: #fff;
    padding: 4px 2px;
    font-size: 12px;
    min-width: 80px;
    border-radius: 5px;
    pointer-events: none;
    padding: 4px;
}

[data-tooltip].active:after {
    content: attr(data-tooltip-active) !important;
}

.alert .close {
    position: absolute;
    right: 10px;
    font-weight: 500;
    cursor: pointer;
}

.clearfix {
    clear: both;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert {
    width: 320px;
    margin: 0 auto;
    position: relative;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
}

.text-white {
    color: #fff !important;
}

.text-gray {
    color: gray !important;
}

.d-block {
    display: block !important;
}

.lang_badge {
    margin: 10px auto;
    height: 20px;
}

.lang_badge a {
    background: #4db79e1f;
    font-size: 12px;
    border: 1px solid #186f6d;
    border-radius: 3px;
    padding: 2px 4px;
    color: #696969 !important;
}

.lang_badge a:hover {
    background: #186f6d;
    color: #fff !important;
}

.content-section p {
    margin: 3.5px 2.8rem 3.5px 1rem;
    line-height: 2;
    padding-top: 5px;
    padding-bottom: 5px;
}

.content-section h2,
.content-section h3,
.content-section h4,
.content-section h5 {
    margin: 16px 0;
}

.content-section h3,
.content-section h4,
.content-section h5 {
    margin-left: 1rem;
}

.content-section ul li {
    margin: 5px auto 10px;
    line-height: 1.5;
}

.lead-blue {
    color: #1f4d78;
    font-weight: bold;
}

.lead-gold {
    color: #956f00;
    font-weight: bold;
}

.ln-n {
    line-height: normal;
}

input.rmArrow::-webkit-outer-spin-button,
input.rmArrow::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input.rmArrow[type="number"] {
    -moz-appearance: textfield;
}

.f10 {
    font-size: 14px;
    color: #4e5f70;
}

.content-section img {
    display: block;
    margin: 0 auto;
}

.isMobile {
    display: none !important;
}

.isTab {
    display: none !important;
}

@media only screen and (max-width: 992px) {
    .isTab {
        display: block !important;
    }
}

@media only screen and (max-width: 768px) {
    .exp_error {
        width: 90% !important;
        margin: auto;
    }

    .preview-section {
        display: none;
    }

    .isMobile {
        display: block !important;
    }

    .social-ul {
        justify-content: center;
    }

    .content-section table {
        white-space: nowrap;
    }

    .content-section img.lazy {
        width: 100% !important;
        height: auto !important;
    }

    .table-of-content a {
        font-size: 17.2px;
    }

    .content-section p {
        margin: 3.5px 0.5rem;
    }

    .content-section ol {
        padding-left: 1.5rem;
    }

    .content-section h3,
    .content-section h4,
    .content-section h5 {
        margin-left: 0;
    }

    .text-sm-center {
        text-align: center !important;
    }

    #keypad {
        top: -28px;
        padding: 1px !important;
    }

    footer .h3.w-fit {
        margin: 0 auto;
        padding-right: 0 !important;
    }

    #eq_parse {
        min-height: 140px !important;
    }

    #MathOutput .MathJax:first-child::before {
        top: -28px !important;
    }

    #MathOutput .MathJax:first-child:after {
        top: 66px !important;
    }

    .dropdown-content {
        right: 0 !important;
    }
}

@media (max-width: 576px) {

    h2,
    .h2 {
        font-size: 1.7rem;
    }

    h3,
    .h3 {
        font-size: 1.5rem;
    }

    #MathOutput .MathJax:first-child:after {
        top: 42px !important;
    }

    .hidden-xs {
        display: none !important;
    }

    .display-xs {
        display: inline-block !important;
    }

    .loadRandom {
        float: right;
        line-height: normal;
    }

    .pl-sm {
        padding: 0 15px;
    }

    #keypad a {
        padding: 1px 6px;
    }

    #eq_parse {
        font-size: large;
        min-height: 90px !important;
        margin-top: 20px;
    }

    .btn-xs {
        padding: 0.25rem 0.5rem;
        font-size: 0.875rem;
        line-height: 1.5;
        border-radius: 0.2rem;
    }

    .steps ol {
        padding: 0 15px !important;
    }

    .answer+ol {
        padding: 0 !important;
        border: 0;
        margin: 0;
    }

    .collapsible h2+ol {
        padding: 0 15px 0 20px !important;
        width: -webkit-fit-content;
        width: -moz-fit-content;
        width: fit-content;
        min-width: -webkit-fill-available;
    }

    .answer,
    .answer1 {
        font-size: larger;
    }

    .steps {
        margin: 3.5px 0;
        line-height: 2;
    }
}

.custom-select {
    display: inline-block;
    width: 100%;
    height: calc(1.5em + 0.75rem + 2px);
    padding: 0.375rem 1.75rem 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    vertical-align: middle;
    background: #fff url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='4' height='5' viewBox='0 0 4 5'%3e%3cpath fill='%23343a40' d='M2 0L0 2h4zm0 5L0 3h4z'/%3e%3c/svg%3e") no-repeat right 0.75rem center/8px 10px;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #fff;
    border: 1px solid #eee;
    min-width: 230px;
    z-index: 1;
    -webkit-box-shadow: 0 3px 6px #00000029;
    box-shadow: 0 3px 6px #00000029;
    border-radius: 8px !important;
}

.dropdown-content li {
    color: #343a40;
    padding: 6px 12px 6px 8px;
    font-size: 14px;
    font-family: cursive;
    cursor: pointer;
    text-decoration: none;
    display: block;
    white-space: nowrap;
    line-height: 2;
}

.dropdown li:hover {
    background-color: #e9f6f3;
}

.show-box {
    display: block;
}

.dropdown-box {
    max-height: 240px;
    background: #fff;
    overflow-y: scroll;
}

.dropdown-box::-webkit-scrollbar {
    width: 6px;
}

.dropdown-box::-webkit-scrollbar-track {
    background: #e9f6f3;
}

.dropdown-box::-webkit-scrollbar-thumb {
    background: #51b6b5;
    border-radius: 3px;
}

.dropdown-box::-webkit-scrollbar-thumb:hover {
    background: #167471;
}

.other__tool {
    width: 100%;
    font-weight: 800;
    cursor: pointer;
}

.other__tool span img {
    filter: invert(43%) sepia(58%) saturate(7405%) hue-rotate(32deg) brightness(-26%) contrast(6%);
    transform: rotate(180deg);
    transition: rotate 0.4s ease-in-out 0s;
}

.other__tool span img.rotate {
    transform: rotate(0deg);
    transition: rotate 0.4s ease-in-out 0s;
}

.tool_references_box {
    font-size: 14px;
    background: #f8f9fa;
    padding: 5px 15px;
    border: 1px solid #78b3b2;
    border-radius: 4px;
    margin-top: 30px !important;
    margin-bottom: 10px !important;
    width: 97%;
    margin: 0 auto;
}

.other__tool span {
    float: right;
    padding-right: 1em;
    font-weight: 800;
}

.collapse:not(.show) {
    display: none;
}

.other__tools::before {
    content: url("../img/list_icon_var-1.0.svg");
}

.dropdown-toggle:hover {
    color: white;
}

.dropdown-toggle {
    border: 1px solid white;
    padding: 0px 19px;
    border-radius: 5px;
    width: max-content;
    color: white;
}

.dropdown-toggle::after {
    display: inline-block;
    margin-left: 0.255em;
    vertical-align: 0.255em;
    content: "";
    border-top: 0.3em solid;
    border-right: 0.3em solid transparent;
    border-bottom: 0;
    border-left: 0.3em solid transparent;
}

.dropdown-menu {
    position: absolute;
    width: 130px;
    background: #e9f6f3;
    text-align: left;
    padding-left: 0px;
}

.dropdown-item:hover {
    text-decoration: none;
}

.exp_error {
    padding: 10px;
    border: 1px solid red;
    width: 50%;
    margin: auto;
    background: antiquewhite;
}

/* custome styling */
.sub__heading {
    margin: 0px;
    font-size: 16px;
}

.sticky {
    position: sticky;
    top: 0;
}

.btn__top__ad {
    min-height: 280px;
}

.btn__left__ad {
    min-height: 280px;
}

.sidebar___ad {
    min-height: 280px;
}

.download_section {
    display: flex;
}

.download_section span {
    font-size: 1.1em !important;
}

.dropdown-divider {
    border-top: 1px solid #ccc;
}

#dropdown02 .dropdown-menu {
    display: none;
    z-index: 10;
    height: 200px;
    overflow-x: auto;
}

#dropdown02 .dropdown-menu::-webkit-scrollbar {
    scrollbar-color: rebeccapurple green;
    width: 7px;
}

#dropdown02 .dropdown-menu::-webkit-scrollbar-track {
    background-color: #d2e3e2;
}

#dropdown02 .dropdown-menu::-webkit-scrollbar-thumb {
    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
}

#dropdown02 .dropdown-menu::-webkit-scrollbar-thumb {
    background-color: #00a7a3;
}

#eq_result {
    line-height: 3;
    margin-left: 40px;
    margin-right: 40px;
    padding-left: 20px;
    background: #f8f9fa !important;
    padding-top: 10px;
    /* border-top-left-radius: 15px;
    border-top-right-radius: 15px; */
    padding-bottom: 10px;
}

div#ans {
    background: #f8f9fa !important;
    padding: 20px;
    margin: 0px 40px;
    line-height: 0;
    font-size: 21px;
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
}

@media (max-width:768px) {
    .download_section {
        flex-direction: column;
        flex-wrap: wrap;
    }

    .row {
        display: -ms-flexbox;
        display: flex;
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
        margin-right: 0px;
        margin-left: -15px;
    }

    .col-12 {
        padding-right: 0px;
    }

    .lead {
        padding-left: 0px;
    }
}


.adsbygoogle div,
.adsbygoogle div iframe {
    width: 100% !important;

}

/* My code CSS */

#ub_n {
    position: absolute;
    cursor: pointer;
    left: 17px;
    top: 0px;
    text-align: center;
    font-size: small;
    padding: 1px 3px;
    border-radius: 4px;
    color: #214a5b;
    background: rgba(0, 0, 0, 0.05);
    height: 20px;
    font-family: "MathJax_Main";
}

#lb_n {
    position: absolute;
    text-align: center;
    cursor: pointer;
    font-size: small;
    padding: 1px 3px;
    border-radius: 4px;
    color: #214a5b;
    bottom: 30px;
    left: -7px;
    background: rgba(0, 0, 0, 0.05);
    height: 20px;
    font-family: "MathJax_Main";
}

.success-message {
    color: green;
    text-align: center;
}

.error-message {
    color: red;
    text-align: center;
}

.error-messages {
    color: red;
    font-size: 12px;
    margin-top: 5px;
}

#loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    /* Customize the loading spinner styles or replace it with your own spinner */
    width: 50px;
    height: 50px;
    border: 4px solid #186f6d;
    border-top: 4px solid #00a7a3;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}