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