body {
    font-size:100%; /* 100% = 16px */
    line-height:1.6;
    font-family: "adelle-1","adelle-2",serif;
    font-style: normal;
    font-weight: 400;
    text-shadow:0px 1px 0px rgba(255,255,255,0.2);
    background: #eaf5f1 url(images/Cover-sky.jpg) no-repeat top center;
    background-size:100%;
    color:rgba(4, 39,55,0.75);
    text-rendering:optimizeLegibility;
    -webkit-font-smoothing:antialiased;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: none;
    margin:0;
    padding:0;
    box-sizing:border-box;
}
.container {
    height:100%;
    width:75%;
    max-width:36em; /* 644px ÷ 16px = 40.25 */
    margin:10% auto;
}

h1 {
    width:100%;
    font-size:3em;
    line-height:1;
    margin:0.5em 0;
    opacity: 0.5;
}
p {
    font-size:1.75em; /* 28px */
    margin:0 0 1em 0;
    font-family: "adelle-1","adelle-2",serif;
    font-style: normal;
}
a {
    font-family: "adelle-1","adelle-2",serif;
    font-weight:600;
    color:inherit;
    text-decoration: none;
    border-bottom:3px solid rgba(4, 39,55,0.25);
}
a:hover {
    color:rgba(4, 39,55,1);
    border-bottom-color:rgba(4, 39,55,0.4);
}

@media all and (max-width: 35em) { /* 40.25em width + 3em padding */

    .container {
        width:80%;
        font-size:90%;
    }
}

@media all and (max-width: 30em) {
    .container {
        width:80%;
        font-size:85%;
    }
}

@media all and (max-width: 20em) {
    .container {
        margin:8% auto ;
        width:85%;
        font-size:69%;
    }
}