* {
	margin:0;
	padding:0;
}
.m{
	padding: 20px;
    width: 400px;
    height: auto;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid #434343;
}
.demo1,.demo2{
	visibility: visible;
    overflow: hidden;
    position: relative;
    z-index: 2;
    left: 0px;
    height: 100%;
    width: 100%;
    margin-left: 0px;
}


.clear {
	clear: both;
}