* {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    max-width: 750px;
    margin: auto;
    line-height: 140%;
}

h1 {
    text-align: center;
}

.css-button-rounded {
    background: #0072b1;
    color: #fff;
    display: block;
    padding: 5px 12px 5px 3px;
    text-align: center;
    text-decoration: none;
    width: 50px;
    border-radius: 8px;
}

.css-button-rounded {
    -webkit-border-radius: 8px;
    -moz-border-radius: 8px;
    -ms-border-radius: 8px;
    -o-border-radius: 8px;
}

.css-button-rounded:hover {
    background: #EC2951;
}