Element block pseudo-element :before generated with display block box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-size 16px z-index auto position static background transition border 2px rgba(0,0,0,1) solid margin 0px padding 20px width 160px height auto transform box-sizing content-box overflow hidden font-weight normal line-height 1 cursor default float none text-shadow 1px 1px 1px rgba(0,0,0,0.2) border-radius