.btn-group button {
    background-color: #2730e8; /* Green */ /* Green background */
    border: 3px solid #0a0a0a;
    color: white; /* White text */
    padding: 20px 32px;
    cursor: pointer; /* Pointer/hand icon */
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    border-radius: 2px;
}

.btn-group button:not(:last-child) {
    border-right: none; /* Prevent double borders */
}

/* Clear floats (clearfix hack) */
.btn-group:after {
    content: "";
    clear: both;
    display: table;
}

/* Add a background color on hover */
.btn-group button:hover {
    background-color:black;
}