.bnr_left { width: 72px; height: 150px; display: block; position: fixed; bottom: 90px; z-index: 1000; } .bnr_left img { display: block; height: 150px !important; width: 72px; box-shadow: 0px 0px 20px -5px rgba(0, 0, 0, 0.8); }