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