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