style.css

html, body {
    margin-top: 1%;
    margin-left: 10%;
    margin-right: 10%;
    background-color: #fbfbfb;
    color: #403f52;
    font-family: 'KaTeX_SansSerif';
    font-size: 18px;
}

img {
    max-width: 80%;
}

figcaption{
    font-style: italic;
}

pre code {
    display:inline-block;
    font-size: 14px;
    margin: 10px 10px 10px 10px;
}

.footer {
    text-align: center;
    margin-top: 1%;
    margin-bottom: 1%;
}

a { color: inherit; }

table{
    border-collapse: collapse;
    border-spacing: 0;
    border: 1px solid #cbcbcb;
    table-layout: auto;
}

tr, td, th {
    border-left: 1px solid #cbcbcb; /* inner column border */
    border-bottom: 1px solid #cbcbcb;
    padding: 2px 5px;
    font-size: 14px;
}

thead {
    background-color: #e0e0e0;
    color: #000;
}