@import url("reset.css");

body {
padding: 0;
margin: 0;
height:100%;/* this is the key! */
min-height:100%;
}

#toplayer {

background-image:  url(../img/foto1.jpg);
background-color: rgba(0, 128, 0, 0.3);
background-position: center;
background-size: contain;
background-repeat: no-repeat;
height: 100%;
border-bottom: 1px solid lightblue;
margin: 5px;
padding: 10px;
}