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