:root {
    --bg-color: #faf9f9;
    --text-color: #000000;
    --primary-color: #0077b6;
}

:root[data-theme="dark"] {
    --bg-color: #161616;
    --text-color: #faf9f9;
    --primary-color: #b60c00;
}

body {
    font-family: Arial, sans-serif;
    color: var(--text-color);
    padding-left: 25%;
    padding-right: 25%;
    padding-top: 10px;
    padding-bottom: 10px;
    line-height: 1.3;
    background-color: var(--bg-color);
}

#top {
    margin-bottom: 20px;
}

#box {
    border: 2px solid var(--primary-color);
    background-color: transparent;
    margin-top: 10px;
    margin-bottom: 10px;
    border-radius: 2px;
}

#box-title {
    background-color: var(--primary-color);
    color: var(--bg-color);
    padding: 5px;
}

#box h4 {
    margin: 0;
    color: var(--bg-color);
}

#box p {
    padding-top: 2px;
    padding-bottom: 2px;
    padding-left: 20px;
    padding-right: 20px;
}

#box ul li {
    padding-top: 2px;
    padding-bottom: 2px;
    padding-left: 20px;
    padding-right: 20px;
    line-height: 1.1;
}

#bottom {
    margin-top: 20px;

    p {
        /*compensation*/
        margin-top: -0px;
        float: right
    }
}

a:link {
    color: #e63946;
    text-decoration: none;
}

a:visited {
    color: #e63946;
    text-decoration: none;
}

a:hover {
    color: #be1120;
    text-decoration: underline;
}

#em {
    color: #e63946;
}

#theme-toggle {
    background: none;
    border: none;
    padding: 0;
    margin-bottom: -5px;
    float: right;

    font: inherit;
    color: var(--primary-color);
    cursor: pointer;
}

#theme-toggle:hover {
    text-decoration-line: underline;
}

@media screen and (max-device-width: 820px) {
    body {
        font-family: Arial, sans-serif;
        padding: 10px;
        line-height: 1.3;
        background-color: var(--bg-color);
        font-size: large;
    }

    .code-block {
        font-size: smaller;
    }
}