.button
{
    background-color: white;
    color: black;
    border: 3px solid rgb(49, 49, 49);
    font-family: Arial, Helvetica, sans-serif;
    transition-duration: 0.4s;
}

.button:hover
{
    background-color: rgb(75, 75, 75);
    color: white;
    border: 3px solid rgb(25, 25, 25);
    box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24), 0 12px 16px 0 rgba(0,0,0,0.19);
}

.button:active
{
    position: relative;
    top: 2px;
}