.woocommerce .et_overlay:before {
    left: 0;
    margin-left: 0;
    content: 'ver';
    /*** TEXTO ***/
    font-family: 'Source Sans Pro', Arial !important;
    /*** ELEGIR FUENTA DE TEXTO ***/
    text-transform: uppercase;
    font-size: 24px;
    color: #fff;
    /*** COLOR DE TU TEXTO ***/
    font-weight: bold;
    text-align: center;
    width: 100%;
    padding: 5px 0;
}
span.mobile_menu_bar.mobile_menu_bar_toggle {
margin: 0 auto !important;
position: fixed;
bottom: 3rem;
right: 1rem;
z-index: 1000000000;
width: 64px;
height: 64px;
border: 0;
border-radius: 50%;
opacity: 1;
padding: 1rem;
-webkit-box-shadow: 0px 5px 10px 0px rgba(0,0,0,0.5);
box-shadow: 0px 5px 10px 0px rgba(0,0,0,0.5);
background-color: white;
}