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