html {
    height: 100%;
    width: 100%;
    background: lightgrey;
}
body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    font-family: 'Roboto', 'Lucida Sans Unicode', 'Lucida Grande', sans-serif;
}
.wrapper {
    max-width: 800px;
    min-height: 500px;
    padding: 15px 15px;
    margin: auto;
    background: #eee;
}
h1 {
    text-align: center;
}
textarea {
    display: block;
    margin: auto;
    padding: 5px;
    font-family: 'Roboto', 'Lucida Sans Unicode', 'Lucida Grande', sans-serif;
    font-size: 16px;
    width: 75%;
    resize: vertical;
}