styles.css

body {
    margin: 0;
    padding: 0;
    background-color: #fff;
    font-family: "Lucida Grande", "Helvetica Neue", Roboto, "Droid Sans", Prelude, Helvetica, Arial, sans-serif;
    font-size: 100%;
    color: #334;
}
@media only screen and (max-width: 768px) {
    body {
        font-size: 87.5%;
    }
}
section.congratulations {
    display: block;
    padding: 50px;
    text-align: right;
    position: absolute;
    top: 0;
    left: 0;
    right: 50%;
    bottom: 0;
    border-right: 6px solid #ace;
    background-color: #79b;
    background-image: -webkit-gradient(linear, left top, right top, from(#79b), to(#79b));
    background-image: -webkit-linear-gradient(left, #9bd, #79b);
    background-image: -moz-linear-gradient(left, #9bd, #79b);
    background-image: -ms-linear-gradient(left, #9bd, #79b);
    background-image: -o-linear-gradient(left, #9bd, #79b);
    background-image: linear-gradient(left, #9bd, #79b);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#99bbdd', EndColorStr='#7799bb');
}
section.congratulations h1 {
    margin: 0 0 25px 0;
    padding: 0;
    color: #fff;
    font-family: 'Lobster Two', cursive;
    font-size: 4.5em;
    text-shadow: 3px 3px 0 #334;
    -webkit-transition: all .3s linear;
    -moz-transition: all .3s linear;
    -o-transition: all .3s linear;
    transition: all .3s linear;
}
section.congratulations p {
    text-shadow: 1px 1px 0 #334;
    font-size: 1.25em;
    color: #fff;
    line-height: 1.5em;
    margin: 0 0 25px 0;
}
section.congratulations a, section.congratulations a:link, section.congratulations a:visited {
    color: white;
    text-decoration: underline;
}
section.congratulations aside {
    display: block;
    color: white;
    font-size: 0.875em;
    font-style: italic;
}
section.instructions {
    display: block;
    padding: 50px;
    text-align: left;
    background-color: #fff;
    position: absolute;
    top: 0;
    left: 50%;
    right: 0;
    bottom: 0;
}
section.instructions h2 {
    margin: 0 0 25px 0;
    padding: 0 0 0 30px;
    color: #334;
    font-family: 'Lobster Two', cursive;
    font-size: 1.875em;
    padding-bottom: 3px;
    border-bottom: 6px solid #f90;
    background: url(/logo_aws_reduced.gif) left center no-repeat;
}
section.instructions ul {
    padding: 0;
    margin: 0 0 25px 0;
    list-style-type: square;
    list-style-position: inside;
}
section.instructions ul li {
    margin-left: 0;
    padding-left: 0;
    color: #f90;
    font-size: 0.875em;
    line-height: 1.5em;
}
section.instructions a, section.instructions a:link {
    color: #79b;
    text-decoration: underline;
}
section.instructions a:visited {
    color: #ace;
}
section.instructions a:hover {
    color: #f90;
}

@media only screen and (max-width: 1024px) {
    section.congratulations h1 {
        font-size: 4em;
    }
}
@media only screen and (max-width: 900px) {
    section.congratulations h1 {
        font-size: 3.5em;
    }
}
@media only screen and (max-width: 768px) {
    section.congratulations h1 {
        font-size: 3em;
    }
}

@media only screen and (max-width: 650px) {
    html {
        -webkit-text-size-adjust: none;
    }
    section.congratulations, section.instructions {
        position: relative;
        margin:; 0;
        border: 0;
        padding: 10px;
        width: 100%;
        top: auto;
        left: auto;
        right: auto;
        bottom: auto;
        border-bottom: 6px solid #ace;
        text-align: left;
    }
}