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