Element block pseudo-element :before generated with transform transition width 160px height auto border 0px rgba(0,0,0,1) solid background z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) overflow hidden margin 0px border-radius cursor default font-weight normal padding 20px position static box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-size 16px display block float none line-height 1 box-sizing content-box