* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}
.card {
    font-family: Noto Sans, Liberation Sans, Arial, Helvetica, Noto Sans CJK JP, Meiryo, Meiryo UI, IPAexGothic,
        IPAPGothic, IPAGothic, Sans, sans-serif;
    font-size: 20px;
    text-align: left;
    color: black;
    background-color: #fffaf0;
}
li {
    margin-left: 1em;
}
.tags {
    text-align: center;
    display: inline-block;
    text-transform: lowercase;
    background-color: #333;
    color: #fffaf0;
    font-weight: bold;
    padding: 1px 3px;
    margin: 0;
    cursor: pointer;
    border-radius: 3px;
    font-size: 12px;
    line-height: 14px;
}
#q:before {
    content: "Question";
}
#a:before {
    content: "Answer";
}
#e:before {
    content: "Extra";
}
#q:before,
#a:before,
#e:before {
    display: block;
    text-align: center;
    color: gray;
    font-size: 12px;
    font-family: Noto Serif, Liberation Serif, Times New Roman, Serif;
}
img {
    filter: sepia(33%);
    border-radius: 4px;
    max-width: 100%;
}

/* .replaybutton is an <a> tag with a <span> that has an <svg> inside */
.replaybutton {
    margin: 0;
    margin-right: 3px;
    text-decoration: none;
}
.replaybutton span {
    padding: 0;
    font-size: 16px;
}
.replaybutton span svg {
    fill: #fffaf0;
    background: #333;
    border-radius: 3px;
    vertical-align: top;
    min-width: 16px;
    min-height: 16px;
}
a.replay-button {
    top: -0.125em;
    position: relative;
}
a.replay-button svg {
    height: 1em;
    width: 1em;
}
a.replay-button svg path {
    fill: #fffaf0;
}
a.replay-button svg circle {
    fill: #333;
}

/* syntax highlighting for code */
table.highlighttable {
    overflow: auto;
    display: block;
}
.linenodiv {
    display: none;
}
.night_mode table.highlighttable pre {
    background-color: #222;
}
pre {
    background-color: rgb(246, 248, 250);
    border-radius: 6px;
    border: 1px solid #dedede;
    color: rgb(36, 41, 46);
    padding: 16px;
    overflow: auto;
    margin: 8px 0;
}
code {
    color: #351214;
}

/* style tables */
table {
    display: block;
    border-collapse: collapse;
    overflow-x: auto;
    max-width: 100%;
}
th,
td {
    border: 1px solid #555;
}
th,
td {
    padding: 2px;
}