.big-button {
    font-size: 1.5em;
    padding: 0.5em 1em;
    font-weight: bold;
    text-decoration: none;
    border: 2px #0c4c92 solid;
}

.big-button:link, .big-button:visited {
    background-color: #4b9fe7;
    color: #0c4c92;
}

.big-button:active, .big-button:hover, .big-button:focus {
    background-color: #0c4c92;
    color: white;
}