.verticalmoduleposhide{
    display: none;
}
/* Landscape phones and down */
@media (max-width: 480px) {
    div.verticalmodulepos.verticalmoduleposshowb1, div.verticalmodulepos.verticalmoduleposshowb2, div.verticalmodulepos.verticalmoduleposshowb3{
        width: 99% !important; padding: 1% !important;
        -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
        -moz-box-sizing: border-box;    /* Firefox, other Gecko */
        box-sizing: border-box;         /* Opera/IE 8+ */
        position: fixed; top: 30px; left: 0px;
        text-align: left;
    }

    .verticalmoduleposhide{
        display: block; position: absolute; right:-1px; top:-30px; cursor: pointer;
        background: #333; color: #fff;
        line-height: 32px; height: 32px;  width: 32px; text-align: center;
    }
}