a.btn.btn-primary {    padding: 16px 28px;    border-radius: 0;    background: #2187c3;    border: none;   box-shadow: 0 4px 5px -3px #333;    transition: 0.5s;    font-weight: bold;transition: ease-out 0.4s;margin-top: 15px;}
a.btn.btn-primary:hover {    box-shadow: inset 0 0 0 50px #074772; }