style.css

header{
    width: 100%;
    background-color: #222222;
    color: #dfdfdf;
}
html{
    margin-left: 20px;
    margin-right: 20px;
    background-color: #747474;
    font-family: Arial, Helvetica, sans-serif;
}
table{
    width: 100%;
    text-align: left;
}
th{
    color: #ffffff;
}
td{
    width: 50%;
    text-align: left;
    vertical-align: top;
}
footer{
    position: relative;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: #222222;
    color: #dfdfdf;
    text-align: center;
}
a:link{
    color: #b1b1b1;
}
a:visited{
    color: #cecece;
}
#mainnav{
    overflow: hidden;
    background-color: #222222;
}
#mainnav li{
    float: left;
    display: block;
}
@media screen and (min-width: 40em){
    #page{
        max-width: 50em;
    }
}
@media screen and (min-width: 64em){
    #page{
        max-width: 75em;
    }
}