body {
    background-color: #2b8856;
}
@font-face {
  font-family: 'Roboto Slab';
  src: url(https://fonts.jimstatic.com/s/robotoslab/v11/BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjojISmb2Rj.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
#quiz {
    background-color: #fff;
    font-family: "Roboto Slab";
    font-size: 16px;
    margin: 0 auto;
    width: 960px;
}
#quiz .overlay {
    background-color: rgba(0, 0, 0, 0.4);
    bottom: 0;
    left: 0;
    position: fixed;
    right: 0;
    top: 0;
}
#quiz .dialog {
    background-color: #fff;
    height: calc(100vh - 100px);
    margin: 50px;

    display: grid;
    grid-template-columns: calc(66.667vw - 79px) auto 30px;
    grid-template-rows: 30px 100px auto;
}

#quiz .solution {
    border-right: 3px solid #444;
    grid-area: 1 / 1 / 4 / 2;
}
#quiz .description {
    grid-area: 1 / 2 / 3 / 3;
    overflow-y: auto;
    padding: 10px;
}
#quiz .description .helptext {
    white-space: pre-line;
}
#quiz .description button {
    background-color: #e8912a;
    border: none;
    cursor: pointer;
    font-family: "Roboto Slab";
    font-size: 16px;
    margin-top: 5px;
    padding: 5px 10px;
}
#quiz .close_button {
    cursor: pointer;
    grid-area: 1 / 3 / 2 / 4;
}
#quiz .close_button:hover {
    background-color: #e8912a;
}
#quiz .store {
    border-top: 3px solid #444;
    grid-area: 3 / 2 / 4 / 4;
    overflow-y: auto;
    padding: 5px 0 0 5px;
}

#quiz .card {
    background-color: #eee;
    display: inline-block;
    margin: 5px;
    min-height: 50px;
    padding: 5px;
    vertical-align: top;
    width: calc(16.667vw - 50.5px);
}
#quiz .card span {
    white-space: pre-line;
}
#quiz .store .card {
    cursor: pointer;
}
#quiz .store .card:hover {
    background-color: #c7dad0;
}
#quiz .card.selected {
    border: 3px solid #2b8856;
    padding: 2px;
}
#quiz .card.incorrect {
    background-color: #faa;
}
#quiz .card.revealed {
    background-color: #7e6;
}

#quiz .solution {
    overflow-y: auto;
    padding: 20px 5px;
}
#quiz .row .card {
    position: relative;
    vertical-align: middle;
}
#quiz .row .card svg {
    cursor: pointer;
    position: absolute;
    right: 5px;
    top: 5px;
    visibility: hidden;
}
#quiz .row .card:hover svg {
    visibility: visible;
}
#quiz .row svg.plus {
    cursor: pointer;
    vertical-align: middle;
}
#quiz .arrow {
    height: 0;
    width: 0;
}
#quiz .arrow svg {
    cursor: pointer;
    left: calc(16.667vw - 26px);
    position: relative;
    top: -10px;
}