body {
    margin: 0;
    background: #fff;
    color: #222;
}

#logo {
    height: 20px;
    margin-left: 30px;
}

#main {
    width: 960px;
    max-width: 100%;
    margin: 0 auto;
    padding: 30px 15px 60px;
    text-align: left;
}

h1 {
    margin: 20px 0 24px;
    font-family: "Lucida Grande", "Lucida Sans Unicode", "Lucida Sans", Geneva, Arial, sans-serif;
    font-size: 32px;
    font-weight: 400;
}

h2 {
    margin: 34px 0 16px;
    font-size: 24px;
    font-weight: 400;
}

h2 a {
    color: #333;
}

#viewport {
    width: 100%;
    height: 540px;
    border: 1px solid #e6e6e6;
    background: #fafafa;
}

.CodeMirror {
    height: auto;
    border: 1px solid #e6e6e6;
    background: #f8f8f8;
    font-family: Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 13px;
    line-height: 1.45;
}

.CodeMirror pre {
    margin: 0;
    padding: 16px 18px;
    white-space: pre-wrap;
}

@media (max-width: 767px) {
    #logo {
        margin-left: 0;
    }

    #main {
        padding-top: 20px;
    }

    #viewport {
        height: 360px;
    }
}