#contentContainer, #extraContainer2box, #extraContainer3box, #extraContainer1box {
	border-style: solid;
	border-width: 1px;
}

@media only screen and (max-width: 768px) {
#extraContainer1box {
	border-bottom-style: none;
	border-bottom-width: 0;
}
#extraContainer2box, #extraContainer3box {
	border-top-style: none;
	border-top-width: 0;
}
	
}