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