.btm{

    padding: 10px 15px;
    border-radius: 30px;
    text-decoration:none ;
    position: fixed;
    background-color: #7a1b2eff;
    color: white;
    top: 130px;
    right: 20px;
    display: inline-block;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1) ;
    z-index: 999;
    font-family: 'DM Sans', sans-serif;
}.btm:hover{
    text-decoration: none;
    color:white;
    background-color: rgb(29, 28, 28);
    font-family: 'DM Sans', sans-serif;
    transform: translateY(-8px);
}