.button {
display: inline-block;
padding: 15px 25px;
font-size: 25px;
cursor: pointer;
text-align: center;
text-decoration: none;
outline: none;
color: #fff;
background-color: #000000;
border: none;
border-radius: 5px;
box-shadow: 0 9px #999;
}
.button:hover {background-color: #FF8C00}
.button:active {
background-color: #3e8e41;
box-shadow: 0 5px #999;
transform: translateY(4px);
}