.book{
    border: 2px solid white;
    background: transparent !important;
    color: white ;
    padding: 15px 30px;
    position: relative;
    bottom: 10px;
}
.book a{
    color: white;
}
.book:hover{
    border-radius: 20px 0px 20px 0;
    transition: .5s ease;
    background-color:  #e67817 !important;
    border: none;
}
@media (max-width:768px) {
    .book{
        display: none;
    }
    section {
        padding: 80px 20-3px;
        position: relative;
    }
}