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