body{
margin:0;
padding:0;
line-height: 1.5em;
}

b{font-size: 110%;}
em{color: red;}

#maincontainer{
width: 780px; /* Width of main container */
margin:0 auto;
background-color: #EAEAEA;
border-left: 2px solid gray;
border-right: 2px solid gray;
border-top: 2px solid gray;
border-bottom: 2px solid gray;
}
#contentwrapper{
float: left;
width: 100%;
}
.innertube{
margin: 20px;
}