body{
background: #000000 url("../img/back.jpg") no-repeat 50% 0 fixed;
margin:0;
padding:0;
line-height: 1.5em;
}

b{font-size: 110%;}

em{color: red;}

#maincontainer{
width: 850px; /* Ancho de la Capa Principal */
margin: 0 Auto; /* Centra la capa principal en la pagina */
}

#topsection{
background: black url("../img/head3.jpg") no-repeat 50% 50%;
height: 200px; /* ALTO DE LA CAPA */
}

#topsection h1{
margin: 0;
padding-top: 15px;
}

#contentwrapper{
float: left;
width: 100%;
}

#contentcolumn{
margin-left: 210px; /*Set left margin to LeftColumnWidth*/
}

#leftcolumn{
float: left;
width: 210px; /*Width of left column*/
margin-left: -850px; /*Set left margin to -(MainContainerWidth)*/
background: #C8FC98;
}

#footer{
clear: left;
width: 100%;
background: black url("../img/bg.jpg") repeat;
color: #FFF;
text-align: center;
padding: 4px 0;
}

#footer a{
color: #FFFFFF;
}

.innertube{
margin: 10px; /*Margins for inner DIV inside each column (to provide padding)*/
margin-top: 0;
}