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