style.css

/* From example online at http://codepen.io/johnstonian/pen/guhid */

body { margin: 0; }

.staydown{
        left: 0;
        right: 0;
        bottom:0;
        position:fixed;
        background-color:white;
        font-size: .5em;
}

.hide-fork { display: none; }
/* MEDIA QUERIES */
@media screen and (min-width: 47.5em ) {
    .leftColumn { margin-right: 19.5em; }
    .rightColumn { position: absolute; top: 0; right: 0; width: 18.75em; }
    .staydown{ height: 5em; margin-top: 1em;}
    .importantstuff{ margin-bottom: 50px; }
}

.importantstuff {
    padding-left: 15%;
    padding-right: 15%;
    padding-top: 2%;
}
#enlarge {
    font-size: 1.5em;
}
#warn {
    padding: 1em;
    background-color: #FFFF75;
    font-size: 1.2em;
}

button {
    font-size: 1.5em;
    background-color: #DDDDDD;
    padding-left: 1em;
    padding-right: 1em;
}

table { 
    table-layout: fixed;
    width:100%;
    word-wrap:break-word;
    padding:.25em;
}

td, th {
    text-align: left;
    border: 1px solid;
    padding: 0.5em;
}

/* thanks to Royi Namir on
 * http://stackoverflow.com/questions/18739937/how-to-keep-footer-at-bottom-of-screen * for the staydown footer code
*/