.btn{
    display: inline-block;
    padding: 13px 25px;
    background: rgb(255, 0, 0);
    color: #333;
    font-size: 15px;
    letter-spacing: 1px;
    font-weight: 600;
    border-radius: 5px;
    transition: all .35s ease;
    margin-top: 3rem;
}
.btn:hover{
    transform: translateY(-5px);
    background: #333;
}