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