:root{
    --background-color: #212121;
    --codeblock-background: #111;
    --explanation-background: #222;
    --text-color: #DDD;
}

body {
    background-color: var(--background-color);
    font-family: 'Roboto', sans-serif;
}

a {
    text-decoration: none;
    color: var(--text-color);
}

p {
    margin: 0;
    padding: 0;
    line-height: 30px;
}

.hidden {
    opacity: 0;
}

#copy-to-clipboard {
    height: 30px;
    width: 30px;
    padding: 5px;
    background-color: var(--text-color);
    color: var(--text-color);
}

.wrapper {
    width: 80vw;
    margin: 50px auto;
    color: var(--text-color);
}

ul {
    margin: 0;
}

li {
    line-height: 30px;
}

span.code,
.code-block {
    border-radius: 3px;
    margin: 5px;
    padding: 10px;
    background-color: var(--codeblock-background);
    font-family: 'IBM Plex Mono', monospace;
    color: var(--text-color);
}

span.code {
    padding: 5px;
    font-size: 13px;
}

.code-block .line-content {
    display: flex;
    align-items: center;
    cursor: pointer;
    border-radius: 3px;
}

.code-block .line-content:hover {
    background-color: var(--explanation-background);
}

.code-block .line-content:hover pre code.hljs {
    background-color: var(--explanation-background);
}

.code-block .icon {
    position: relative;
    width: 14px;
    margin-right: 5px;
}

.code-block .icon::before, .icon::after {
    content: "";
    position: absolute;
    width: 10px;
    height: 2px;
    background-color: #DDD;
    top: -10px;
    margin: 10px 5px;
}

.code-block .icon::after {
    transform: rotate(90deg);
    transition: .3s linear;
}

.code-block .line .explanation {
    background-color: var(--explanation-background);
    border-radius: 3px;
    line-height: 21px;
    display: none;
}

.code-block .line .explanation table {
    margin: 10px 5px 5px 5px;
}

.code-block .line .explanation table, 
.code-block .line .explanation table td, 
.code-block .line .explanation table th {
    border: 1px solid var(--text-color);
    border-collapse: collapse;
    padding: 10px;
    text-align: left;
}

.code-block .line:target .explanation {
    margin: 10px 5px;
    padding: 10px;
    display: block;
}

.code-block .line:target .icon::after {
    transform: rotate(0);
}

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

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

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.filler {
    height: 50px;
    width: 50px;
}

p.top-margin {
    margin-top: 15px;
}

img {
    max-width: 90%;
    margin: 15px;
}