@charset 'UTF-8';
@import url('http://fonts.googleapis.com/css?family=Source+Sans+Pro:400,600');

html {
    background: url(mapa.jpg) no-repeat fixed center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    font-family: 'Source Sans Pro', sans-serif;
    color: #777;
    font-weight: 400;
}

#centro {
    position: absolute;
    background-color: azure;
    border: 1px solid blue;
    border-radius: 5px;
    padding: 30px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
}