.to-left:before{content:"";position:absolute;top:50%;left:-5px;transform:translateY(-50%);width:8px;height:4px;background-color:#fff}.to-right:after{content:"";position:absolute;top:50%;right:-5px;transform:translateY(-50%);width:8px;height:4px;background-color:#fff}.to-up:before{content:"";position:absolute;bottom:-5px;left:50%;transform:translate(-50%);width:4px;height:8px;background-color:#fff}.to-down:after{content:"";position:absolute;top:-5px;left:50%;transform:translate(-50%);width:4px;height:8px;background-color:#fff}@media screen and (min-width: 768px){.to-left:before,.to-right:after{width:12px;height:6px}.to-left:before{left:-6px}.to-right:after{right:-6px}.to-up:before,.to-down:after{width:6px;height:12px}.to-up:before{bottom:-6px}.to-down:after{top:-6px}}