img.displayed {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

html{
	height: 100%;
	width: 100%;
}
body{
	text-align: center;
	height: 100%;
	width: 80%;
	margin-left: auto;
   	margin-right: auto;
}
p.footer{
font-size: xx-small;
}
#twitter_div{
border-style: dashed;
}