html {
    font-size: 100%;
    box-sizing: border-box;
}
*, *:before, *:after {
    box-sizing: inherit;
}
body {
    font-family: 'Verdana', sans-serif;
    color: #333;
    background: #238989;
    margin: 0;
}
#container {
    margin: 2em auto;
    max-width: 740px;
    padding: 2rem 4rem;
    background: #fff;
    overflow: auto;
}
h1 {
    font-family: 'Georgia', serif;
    font-size: 3rem;
    margin: 0;
    padding: 0.5rem 0;
}
p, li {
    font-size: 1.4rem;
    line-height: 1.5;
}
img {
    display: block;
    margin: auto;
    max-width: 100%;
}
.right {
    float: right;
    margin: 1.5rem 0 1rem 1rem;
    border: 1px solid #333;
}

/* links */

a {
    color: #009;
    text-decoration: none;
}
a:hover {
    color: #0cc;
    text-decoration: underline;
}

/* media queries */

@media (max-width: 800px) {
    body {
        background: #fff;
    }
    #container {
        margin: 0;
        width: 100%;
        padding: 2rem;
    }
    h1 {
        padding: 0 0 0.3rem 0;
    }
    .right {
        float: none;
        margin: 0;
    }
}