html {
    margin: 0 auto;
    max-width: 900px;
}

body {
    color: #fff;
    background-color: #000;
    font-family: 'Open Sans', sans-serif;
}

a {
    color: #fff;
}

pre {
    overflow-x: auto;
    background-color: #222;
}

code {
    color: #0ff;
}

.header {
    margin-right: auto;
    margin-left: auto;
    width: 90%;
    padding-top: 1em;
}

.header a {
    color: #fff;
    text-decoration: none;
}

.main {
    margin-right: auto;
    margin-left: auto;
    width: 90%;
    padding-top: 1em;
}

.hero {
    font-size: 80px;
}

.hero-small {
    padding-top: 1em;
    font-size: 24px;
}

.demo {
    padding-top: 3em;
}

.hero-rainbow {
    font-size: 80px;
    background: linear-gradient(to right, #ef5350, #f48fb1, #7e57c2, #2196f3, #26c6da, #43a047, #eeff41, #f9a825, #ff5722);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo {
    font-size: 20px;
    font-family: 'Courier Prime', monospace;
}

.rounded {
    border-radius: 25px;
}