.nut-dong{z-index:6;top:calc(var(--goc-x-tren,0px) - 5px);right:calc(var(--goc-x-phai,0px) - 8px);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:0;width:38px;height:30px;padding:0;position:absolute}.nut-dong img{object-fit:contain;pointer-events:none;width:100%;height:100%;display:block}.nut-dong:active{transform:scale(.9)}