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