header{background-color: black; height: 33vh;}
aside{
    background-color: darkmagenta;
    height: 33vh;
    width: 20%;
    float:left;
}
section{
    background-color: darkcyan;
    height: 33vh;
    width: 30%;
    float:right;
}
main{
    background-color: darkgoldenrod;
    height: 33vh;
    width: 50%;
    float:left;
}
footer{
    background-color: darkgreen;
    height: 34vh;
    clear:both;
}

*{font-size: 50pt;}
body{margin: 0; color:wheat; background-color: black;}
header, section, main, aside, footer{text-align: center;}