.div-img100 { width: 100%; height: auto; display: flex; flex-direction: column; }
.btn2 { width: 100%; background-color: #0a5d93; padding: 10px 0; display: table; }
.btn2 a { padding: 10px 20px; margin-top: 10px;
    float: left;
    font-size: 24px;
    font-weight: 700;
    margin: 0 5px 10px 0;
    background-color: #ffbc00; }