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