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