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