#container {
    float: none;
    clear: right;
    background-color: blue;
    position: relative;
    height: auto;
    display: inherit;
    -webkit-box-sizing: content-box;
    -moz-box-sizing: content-box;
    box-sizing: content-box;
}
#column2 {
    width: 600px;
    border: thick solid #000000;
    text-shadow: 0px 0px #000000;
    background-color: greenyellow;
    clear: none;
    float: left;
    height: auto;
    min-height: 500px;
}

#column3 {
    width: 600px;
    border: thick solid #000000;
    background-color: greenyellow;
    float: right;
    height: auto;
    min-height: 500px;
}

h1 {
    text-emphasis-color: white;
    text-align: center;
    color: #FFFFFF;
}
body h4 {
    text-align: center;
}
#containerb {
    background-color: #390CED;
    height: auto;
    width: auto;
    font-size: xx-large;
    color: #FFFFFF;
    float: none;
    clear: both;
}
#column4 {
    background-color: #ADFF2F;
    height: auto;
    width: auto;
    border: medium solid #000000;
    /* [disabled]text-shadow: 0px 0px #FFFFFF; */
    color: #000000;
}

#containerc {
	<h1></h1>
    height: 0px
    width: auto;
    height: 25px;
}

#containerc {
    /* [disabled]border-width: thin; */
    height: 150px;
}
#spacecontainer {
    clear: both;
    text-align: center;
}