@import url('https://fonts.googleapis.com/css?family=Anton|Quicksand:300');
/* === CSS RESET === */

* {
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Futura, sans-serif;
}

html, body {
    height:100%;
}

.topnav {
    background-color: #333;
    overflow: hidden;
}

.topnav a {
    float: left;
    color: mediumpurple;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
}

.topnav a:hover {
    background-color: lightpink;
    color: black;
}

#s1 {
    background:url(/assets/img1.jpg) no-repeat fixed center center;
    background-size:cover;
    position:relative;
    width:100%;
    height:100%;
    
}

    #s1 article {
        /*    this is the stuff INSIDE the background
        Parent: RELATIVE
        Child: ABSOLUTE
        so this article is absolute
        */
    
        position:absolute;
        background-color:lightpink;
        padding:20px;
        top:10px;
        left:10px;
        width:25%;
    
}

#s2 {
    background-color:rebeccapurple;
    background-size:cover;
    position:relative;
    width:100%;
    height:50%;
}

    #s2 article {
/*    this is the stuff INSIDE the background */
        position:absolute;
        color:white;
        column-count: 3;
        top:25%;
        left:0%;
        padding:20px;
}

#s3 {
    background:url(/assets/img3.jpg) no-repeat fixed center center;
    background-size:cover;
    position:relative;
    width:100%;
    height:100%;
}

    #s3 article {
/*    this is the stuff INSIDE the background */
        position:absolute;
        background-color:mediumpurple;
        padding:20px;
        bottom:10px;
        left:10px;
        width:25%;
}

header, p {
    margin:10px;
    padding:10px;
}