html,body {
    font-family: Verdana,sans-serif;
    font-size: 50px;
    line-height: 1.5
}

.container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
}

a:link, a:visited {
    color: gray;
    padding: 14px 25px;
    text-align: center; 
    text-decoration: none;
    display: inline-block;
}