body {
    background: #f5f5f5;
    font-family: 'Ubuntu', sans-serif;
    font-size: 16px;
}
a, a:active, a:focus {
    color: #fff;
    text-decoration: none;
}
img {
    margin: 0 0 10px;
}
main {
    margin: 30vh auto 0;
    max-width: 480px;

}
.box {
    padding: 20px;
    background: #fff;
    text-align: center;
}
.box span {
    display: block;
    margin: 15px 0;
    padding: 15px 0;
    font-weight: 700;
    font-size: 20px;
    background: #f5f5f5;
}
.btn-group {
}
.btn {
    display: table-cell;
    vertical-align: middle;
    width: 1%;
    padding: 10px 8px;
    background: #FBBC33;
    text-align: center;
    transition: all 200ms ease-in-out;
}
.btn:hover {
    background: #0d0d0d;
}
.btn:nth-child(2) {
    border-left: 1px solid #fff;
    border-right: 1px solid #fff;
}