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