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