<style>
#header {
    background-color: darkseagreen;
    color:white;
    text-align:center;
    padding:5px;
}


#nav {
    line-height:30px;
    background-color:dodgerblue;
    height:300px;
    width:100px;
    float:left;
    padding:5px; 
}
#section {
    width:350px;
    float:left;
    padding:10px; 
}

table.height {
    background-color: dodgerblue;
    width:100%;
    border:5px solid black;
}
table.height th, td {
    padding:10px;
}
table.height th {
    width:75px;
}

.babyvideo{
    border: 10px solid blue;
}

#footer {
    background-color:black;
    color:white;
    clear:both;
    text-align:center;
    padding:5px; 
}

</style>