#ctrl_related_products .chzn-container-multi {
    width: 100%;
    max-width: 400px;
}

div.content > form > div.tl_formbody_submit {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    box-shadow: 0 0 25px rgba(0,0,0,0.2);  
}

#main .content {
    margin-bottom: 60px;
}