style.css

/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */

html {
    line-height: 1.15;
    -webkit-text-size-adjust: 100%
}

body {
    margin: 0
}

main {
    display: block
}

h1 {
    font-size: 2em;
    margin: .67em 0
}

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

pre {
    font-family: monospace, monospace;
    font-size: 1em
}

a {
    background-color: transparent
}

abbr[title] {
    border-bottom: none;
    text-decoration: underline;
    text-decoration: underline dotted
}

b,
strong {
    font-weight: bolder
}

code,
kbd,
samp {
    font-family: monospace, monospace;
    font-size: 1em
}

small {
    font-size: 80%
}

sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline
}

sub {
    bottom: -.25em
}

sup {
    top: -.5em
}

img {
    border-style: none
}

button,
input,
optgroup,
select,
textarea {
    font-family: inherit;
    font-size: 100%;
    line-height: 1.15;
    margin: 0
}

button,
input {
    overflow: visible
}

button,
select {
    text-transform: none
}

[type=button],
[type=reset],
[type=submit],
button {
    -webkit-appearance: button
}

[type=button]::-moz-focus-inner,
[type=reset]::-moz-focus-inner,
[type=submit]::-moz-focus-inner,
button::-moz-focus-inner {
    border-style: none;
    padding: 0
}

[type=button]:-moz-focusring,
[type=reset]:-moz-focusring,
[type=submit]:-moz-focusring,
button:-moz-focusring {
    outline: 1px dotted ButtonText
}

fieldset {
    padding: .35em .75em .625em
}

legend {
    box-sizing: border-box;
    color: inherit;
    display: table;
    max-width: 100%;
    padding: 0;
    white-space: normal
}

progress {
    vertical-align: baseline
}

textarea {
    overflow: auto
}

[type=checkbox],
[type=radio] {
    box-sizing: border-box;
    padding: 0
}

[type=number]::-webkit-inner-spin-button,
[type=number]::-webkit-outer-spin-button {
    height: auto
}

[type=search] {
    -webkit-appearance: textfield;
    outline-offset: -2px
}

[type=search]::-webkit-search-decoration {
    -webkit-appearance: none
}

::-webkit-file-upload-button {
    -webkit-appearance: button;
    font: inherit
}

details {
    display: block
}

summary {
    display: list-item
}

template {
    display: none
}

[hidden] {
    display: none
}

html {
    font-size: 62.5%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif
}

body {
    font-size: 1.8rem;
    line-height: 1.618;
    max-width: 38em;
    margin: auto;
    color: #c9c9c9;
    background-color: #222;
    padding: 13px
}

@media (max-width:684px) {
    body {
        font-size: 1.53rem
    }
}

@media (max-width:382px) {
    body {
        font-size: 1.35rem
    }
}

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.1;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    font-weight: 700;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    overflow-wrap: break-word;
    word-wrap: break-word;
    -ms-word-break: break-all;
    word-break: break-word;
    -ms-hyphens: auto;
    -moz-hyphens: auto;
    -webkit-hyphens: auto;
    hyphens: auto
}

h1 {
    font-size: 2.35em
}

h2 {
    font-size: 2em
}

h3 {
    font-size: 1.75em
}

h4 {
    font-size: 1.5em
}

h5 {
    font-size: 1.25em
}

h6 {
    font-size: 1em
}

p {
    margin-top: 0;
    margin-bottom: 2.5rem
}

small,
sub,
sup {
    font-size: 75%
}

hr {
    border-color: #fff
}

a {
    text-decoration: none;
    color: #fff
}

a:hover {
    color: #c9c9c9;
    border-bottom: 2px solid #c9c9c9
}

ul {
    padding-left: 1.4em;
    margin-top: 0;
    margin-bottom: 2.5rem
}

li {
    margin-bottom: .4em
}

blockquote {
    margin-left: 0;
    margin-right: 0;
    padding-left: 1em;
    padding-top: .8em;
    padding-bottom: .8em;
    padding-right: .8em;
    border-left: 5px solid #fff;
    margin-bottom: 2.5rem;
    background-color: #4a4a4a
}

blockquote p {
    margin-bottom: 0
}

img {
    height: auto;
    max-width: 100%;
    margin-top: 0;
    margin-bottom: 2.5rem
}

pre {
    background-color: #4a4a4a;
    display: block;
    padding: 1em;
    overflow-x: auto;
    margin-top: 0;
    margin-bottom: 2.5rem
}

code {
    font-size: .9em;
    padding: 0 .5em;
    background-color: #4a4a4a;
    white-space: pre-wrap
}

pre>code {
    padding: 0;
    background-color: transparent;
    white-space: pre
}

table {
    table-layout: fixed;
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 3rem
}

td,
th {
    padding: .5em;
    word-break: break-word;
    border-bottom: 1px solid #4a4a4a
}

input,
textarea {
    border: 1px solid #c9c9c9
}

input:focus,
textarea:focus {
    border: 1px solid #fff
}

textarea {
    width: 100%
}

.button,
button,
input[type=button],
input[type=reset],
input[type=submit] {
    display: inline-block;
    padding: 5px 10px;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    background-color: #fff;
    color: #222;
    border-radius: 1px;
    border: 1px solid #fff;
    cursor: pointer;
    box-sizing: border-box
}

.button[disabled],
button[disabled],
input[type=button][disabled],
input[type=reset][disabled],
input[type=submit][disabled] {
    cursor: default;
    opacity: .5
}

.button:focus:enabled,
.button:hover:enabled,
button:focus:enabled,
button:hover:enabled,
input[type=button]:focus:enabled,
input[type=button]:hover:enabled,
input[type=reset]:focus:enabled,
input[type=reset]:hover:enabled,
input[type=submit]:focus:enabled,
input[type=submit]:hover:enabled {
    background-color: #c9c9c9;
    border-color: #c9c9c9;
    color: #222;
    outline: 0
}

input[type],
select,
textarea {
    color: #c9c9c9;
    padding: 6px 10px;
    margin-bottom: 10px;
    background-color: #4a4a4a;
    border: 1px solid #4a4a4a;
    border-radius: 4px;
    box-shadow: none;
    box-sizing: border-box
}

input[type]:focus,
select:focus,
textarea:focus {
    border: 1px solid #fff;
    outline: 0
}

input[type=checkbox]:focus {
    outline: 1px dotted #fff
}

fieldset,
label,
legend {
    display: block;
    margin-bottom: .5rem;
    font-weight: 600
}

.hljs {
    display: block;
    overflow-x: auto;
    padding: 0;
    background: transparent;
}

.hljs,
.hljs-subst {
    color: #ebdbb2
}

.hljs-deletion,
.hljs-formula,
.hljs-keyword,
.hljs-link,
.hljs-selector-tag {
    color: #fb4934
}

.hljs-built_in,
.hljs-emphasis,
.hljs-name,
.hljs-quote,
.hljs-strong,
.hljs-title,
.hljs-variable {
    color: #83a598
}

.hljs-attr,
.hljs-params,
.hljs-template-tag,
.hljs-type {
    color: #fabd2f
}

.hljs-builtin-name,
.hljs-doctag,
.hljs-literal,
.hljs-number {
    color: #8f3f71
}

.hljs-code,
.hljs-meta,
.hljs-regexp,
.hljs-selector-id,
.hljs-template-variable {
    color: #fe8019
}

.hljs-addition,
.hljs-meta-string,
.hljs-section,
.hljs-selector-attr,
.hljs-selector-class,
.hljs-string,
.hljs-symbol {
    color: #b8bb26
}

.hljs-attribute,
.hljs-bullet,
.hljs-class,
.hljs-function,
.hljs-function .hljs-keyword,
.hljs-meta-keyword,
.hljs-selector-pseudo,
.hljs-tag {
    color: #8ec07c
}

.hljs-comment {
    color: #928374
}

.hljs-link_label,
.hljs-literal,
.hljs-number {
    color: #d3869b
}

.hljs-comment,
.hljs-emphasis {
    font-style: italic
}

.hljs-section,
.hljs-strong,
.hljs-tag {
    font-weight: 700
}

body,
html {
    color: #fff;
    background-color: #252830;
    font-family: sans-serif
}

body {
    max-width: 850px
}

iframe,
pre {
    background-color: #1f1f1f;
    border-radius: 10px;
    border: none;
    border-top: 4px solid #654ff0;
    padding: 24px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .15)
}

iframe {
    background-color: #fff
}

select {
    display: block;
    font-size: 16px;
    font-family: sans-serif;
    font-weight: 700;
    color: #444;
    line-height: 1.3;
    padding: .6em 1.4em .5em .8em;
    box-sizing: border-box;
    margin: 0;
    border: 1px solid #aaa;
    box-shadow: 0 1px 0 1px rgba(0, 0, 0, .04);
    border-radius: .5em;
    -moz-appearance: none;
    -webkit-appearance: none;
    appearance: none;
    background-color: #fff;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23654ff0%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E"), linear-gradient(to bottom, #fff 0, #e5e5e5 100%);
    background-repeat: no-repeat, repeat;
    background-position: right .7em top 50%, 0 0;
    background-size: .65em auto, 100%
}

select::-ms-expand {
    display: none
}

select:hover {
    border-color: #888
}

select:focus {
    border-color: #aaa;
    box-shadow: 0 0 1px 3px #654ff0;
    box-shadow: 0 0 0 3px -moz-mac-focusring;
    color: #222;
    outline: 0
}

select option {
    font-weight: 400
}

hr {
    border: 0;
    height: 5px;
    margin: 4rem 0;
    background-image: -webkit-gradient(linear, left top, right top, from(#9671fd), to(#654ff0));
    background-image: linear-gradient(to right, #9671fd, #654ff0);
    border-radius: 5px
}

a {
    text-decoration: none;
    border-bottom: 1px solid #fff
}

a:hover {
    color: #c9a4ff;
    text-decoration: none;
    border-bottom: 1px solid #9671fd
}

.title {
    text-decoration: none;
    border-bottom: 0
}

.title:hover {
    color: #9671fd;
    text-decoration: none;
    border-bottom: 0
}

.title h1 {
    font-size: 1.8em
}

.language-title {
    font-size: 1.35em
}

.language-picker form {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
    flex-direction: row
}

.language-picker form>* {
    margin-right: 10px;
    margin-top: 5px;
    margin-bottom: 5px
}

.flex-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
    flex-direction: row
}

.flex-row.align-right {
    justify-content: flex-end;
}

.flex-column {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
    flex-direction: column
}

.flex-column>*,
.flex-row>* {
    margin: 5px
}

footer .flex-row>* {
    margin: 0;
    margin-right: 10px;
    margin-top: 5px;
    margin-bottom: 5px
}

span.hljs-comment {
    color: #a69685!important
}

blockquote {
    color: #ded9ed;
    font-style: normal;
    background-color: #1f1f1f;
    border-radius: 4px;
    border-left: 9px solid #654ff0;
    padding: 20px 45px 20px 26px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .15);
    margin: 0
}

blockquote>.label {
    font-weight: 700;
    font-size: .8em;
    color: #aca1f3
}

blockquote p {
    font-size: 1.1em;
    margin: 0
}

.highlight,
code {
    background-color: #4c36d7;
    color: #fff;
    letter-spacing: -.5px;
    border-radius: 5px;
    padding: 2px 10px
}

div#chart-descriptions {
    margin-top: 3rem;
    overflow: auto;
    padding: 24px;
    background-color: #333742;
    border-radius: 10px;
    border-top: 4px solid #8777f3;
}

.d-none {
    display: none;
}

a.btn.btn-light {
    padding: .5rem 1rem;
    background-color: white;
    color: #333;
    font-size: 14pt;
    text-decoration: none;
    border-radius: 8px;
    min-width: 32px;
    text-align: center;
    display: inline-block;
    border: none;
}

a.btn.btn-light:hover {
    background-color: #c5c9d3;
}

i.fab,
i.fas,
i.far {
    margin-right: 4px;
}

footer {
    padding-top: 3rem;
}