div{
    float:left;
    clear:both;
}

img {
    float: left;
    
    margin-right: 10%;
    margin-left: 10%;
    margin-bottom: 5%;
}

/*This is a id*/
#container {
    background-color: lightgray;
    margin-bottom: 50px;
    margin-left: 5%;
    width: 90%;
    border: 2px solid darkgray;
    border-radius: 10px;
}

/*The rest here is all classes*/
.sidemenuheader {
    background-color: lightslategray;
    width: 20%;
    margin-left: 2%;
    margin-top: 2%;
    margin-bottom: 2%;
    clear: none;
}

.contentholder {
    background-color: darkgray;
    width: 70%;
    margin-left: 2%;
    margin-bottom: 2%;
    margin-top: 2%;
    padding-left: 2%;
    padding-right: 2%;
    font-size: 2vw;
    clear: none;
}

.submenubox {
    background-color: lightsteelblue;
    margin-left: 5%;
    margin-top: 5%;
    margin-bottom: 5%;
    width: 85%;
    font-size: 2vw;
    color: black;
    padding-left: 5%
}