html,body {
    height:100%;
	font-family:arial;sans serif;
}

header {
    display:block;
    background:#286af0;
    padding:20px 0px;
	}
	h1{
	font-family: arial; sans serif;background-color:white;
	text-align:right;
	}
	
section {
    width: 79%;
    background: #ccc;
    float: left;
    overflow: auto;
    padding-bottom: 60px;
    padding-top:30px;
}

aside {
    float: right;
    border: 1px solid red;
    width: 19%;
    border: 1px solid red;
    /*Si quisieramos ocultar el contenido relacionado pondriamos visibility a hidden*/
    /*visibility: hidden;*/
}
footer {
    position: relative;
    margin-top: -50px;
    height: 40px; 
    padding:5px 0px;
    clear: both;
    background: #286af0;
    text-align: center;
    color: #fff;
}
figure {
    display: table; margin: 0 auto;
}