html {
    /* background-color: rgba(30, 40, 74, 1); */
    background-color: #fafafa;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: #333;
    /* background-image: url('https://www.rocketmath.com/subscription/public/_img/starfield.png'); */
}
body {
    max-width: 900px;
    margin: auto;
    padding: 72px 20px 20px;
    background-color: white;
}
drawer {
    display: block;
    border-top: 2px solid #E0B744;
    padding: 20px 0;
}
h2 {
    margin: 0;
    cursor: pointer;
    color: #2F3A68;
}
drawer:first-of-type {
    border-top-width: 2px;
}
drawer:last-of-type {
    border-bottom: 2px solid #E0B744;
}
drawer h2::before {
    content: "\f0da";
    color: gray;
    font-family: 'FontAwesome';
    margin-right: 10px;
    width: 15px;
    display: inline-block;
    text-align: center;
}
drawer.open h2::before {
    content: "\f0d7";
}
drawer folder {
    display: none;
    width: calc(50% - 50px);
    margin: 0 25px;
    vertical-align: top;
}
@media (max-width: 567px) {
    drawer folder {
        width: auto;
    }
}
drawer.open folder {
    display: inline-block;
}
/* drawer.in-progress::after {
    content: 'Loading...';
    margin-top: 20px;
    margin-left: 25px;
    display: inline-block;
} */
/* drawer.in-progress h2 {
    cursor: wait;
} */
folder h3 {
    margin: 20px 0 10px;
}
folder a {
    display: inline-block;
    border: 1px solid #ccc;
    padding: 5px 10px;
    border-radius: 5px;
    text-decoration: none;
    margin: 5px;
    width: calc(100% - 10px);
    box-sizing: border-box;
}
folder a.tiled {
    width: auto;
}