.call-bt {
    height: 3rem;
    width: 100%;
    background:#ffc107;
    position: fixed;
    bottom: 1px;
    z-index: 1;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 10px;
}
.btn-num {
    color: white;
    font-size: 2rem;
    font-family: bold;
}
.btn-icon {
    height: 50px;
    width: 50px;
    margin-bottom: 0.9rem;
}
@media only screen and (max-width:768px) {
   .call-bt{
       display:none;
   }
}