body {
    font: 16px/1.4 "proxima-nova", "Helvetica Neue", Arial, Helvetica, sans-serif;
}

.container {
    margin: 0 auto;
    margin: 0 auto;
    width: 800px;
}

.header, .footer {
    color: #fff;
    background: #329894;
    overflow: hidden;
}

.cta {
    margin: 10px 0;
    text-align: center;
}

.cta a {
    border-radius: 3px;
    display: inline-block;
    font-weight: 600;
    margin: 0 10px;
    padding: 8px 24px;
    text-decoration: none;
}

.header {
    padding: 40px 0 0;
}

.logo {
    color: #fff;
    font-size: 45px;
    margin: 0;
}

.tagline {
    font-size: 28px;
    font-weight: 300;
    padding: 20px 0;
    text-align: center;
}

.tagline em {
    font-weight: 600;
}

.header .cta a {
    border: 3px solid;
    color: #fff;
}

.header .cta a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.demo {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    font-size: 22px;
    margin: 50px 0 0;
}

.demo,
.demo-left,
.demo-right {
    height: 260px;
}

.demo-left,
.demo-right {
    box-sizing: border-box;
    float: left;
    padding: 20px 30px;
    width: 50%;
}

.demo-instructions {
    line-height: 1.5;
    margin-bottom: 10px;
    opacity: 0.8;
}

.demo-left {
    background: #444;
}

.demo-left textarea {
    background: #000;
    border: none;
    box-sizing: border-box;
    color: #fff;
    font: 14px Menlo, monospace;
    height: 160px;
    padding: 10px;
    resize: none;
    width: 100%;
}

.demo-right {
    background: #fff;
    color: #444;
}

#demo-output {
    font-size: 18px;
    padding: 10px 0;
    overflow: auto;
}

.main {
    background: #fff2e7;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    min-height: 400px;
    position: relative;
    padding: 30px 0;
}

.subtagline {
    color: #329894;
    font-size: 24px;
    font-weight: 600;
    padding: 20px 0;
    text-align: center;
}

.features {
    font-size: 20px;
    margin: 0 auto;
    width: 540px;
}

.features > li {
    margin: 10px 0;
}

.main .examples {
    margin: 40px 0;
}

.main .example {
    font-size: 15px;
    text-align: center;
    margin: 30px 0;
}

.main .comparison-labels {
    width: 100%;
    height: 40px;
}

.main .comparison-labels .left,
.main .comparison-labels .right {
    box-sizing: border-box;
    width: 50%;
    float: left;
    height: 40px;
    text-align: center;
    font-size: 20px;
}

.main .comparison {
    background-image: url(katex-comparison.gif);
    background-position: 50% 50%;
    background-size: cover;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    height: 340px;
    width: 100%;
}

.main .cta {
    padding-top: 50px;
}

.main .cta a {
    border: 3px solid;
    color: #329894;
}

.main .cta a:hover {
    background: rgba(50, 152, 148, 0.1);
}

.footer {
    padding: 30px 0;
    font-size: 21px;
}

.ka-logo {
    float: right;
}

.ka-logo img {
    border: none;
    vertical-align: -1px;
}

.credits {
    float: left;
    font-size: 16px;
}

.credits a {
    color: white;
}

.errorMessage {
    color: red;
}