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