body {
    background-color: rgba(108,191,220, 0.75);
}
code {
    background-color: rgba(255, 255, 255, 0.25);
}
pre {
    background-color: rgba(255, 255, 255, 0.25);
    display: block;
}
th, td {
    border-bottom:1px solid black;
    text-align: left;
    padding: 5px;
}