.suspend{ position: fixed; right: 0.01rem; bottom: 15vh; background-image: url(https://alicdn.vgometa.com/home/images/suspend/suspend_bg.png); background-repeat: no-repeat; background-size: 100% 100%; width: 0.74rem; height: 2.67rem; z-index: 1; } @media screen and (max-width: 768px) { .suspend{ position: fixed; right: 0.01rem; bottom: 5vh; background-image: url(https://alicdn.vgometa.com/home/images/suspend/suspend_bg.png); background-repeat: no-repeat; background-size: 100% 100%; width: 0.6rem; height: 2.3rem; z-index: 1; } }