.cont-bt{
    padding: 1rem 1rem;
    background-color: #5b9020;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.5s;
}

.cont-bt:hover{
    background-color: #466e18;
    color: white;
    text-decoration: none;
}