#banner {
    padding: 0.8rem 2rem;
    -webkit-box-shadow: 0px 2px 7px 0px rgba(0,0,0,0.75);
    -moz-box-shadow: 0px 2px 7px 0px rgba(0,0,0,0.75);
    box-shadow: 0px 2px 7px 0px rgba(0,0,0,0.75);
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 10;
}

#banner .container {
    display: flex;
    flex-direction: column;
}

#banner .close {
    position: absolute;
    right: 10px;
    top: 10px;
}

#banner .container .btn {
    height: 2.3rem;
    min-width: 100px;
    width: 100px;
}