.uibk-main-content button {
    background-color: #355c8e;
    border: none;
    color: #fff;
    padding: 0.375rem 0.75rem;
    margin: auto;
    display: block;
}

.uibk-main-content button:hover,
.uibk-main-content button:active,
.uibk-main-content button:focus {
	background-color: #003362; 
}