.ttlib-button {
    margin-right: 5px;
    padding: 8px 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 1.1em;
    border-radius: 12px;
    text-decoration: none;
    display: inline-block;
    line-height: normal;
    box-sizing: border-box;
    vertical-align: middle;
}