.btn-wrap {
    width: 100%;
    background-color: #ed1d24;
    text-align: center;
    position: fixed;
    left: 0;
    bottom: 0;
    display: none;
padding:0;
}

.btn-wrap .start-bt {
    display: block;
    width: 100%;
    text-align: center;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    padding: 8px 0;
    text-transform: uppercase;
}

@media (min-width: 320px) and (max-width: 767px) {
    .btn-wrap {
        display: block;
        z-index: 10;
    }
}