Element block pseudo-class :active generated with display block position static cursor default border 3px rgba(0,0,0,1) solid padding 20px width 160px z-index auto box-sizing content-box font-weight normal height auto transition text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none border-radius line-height 1 margin 0px font-size 16px transform box-shadow 1px 1px 1px rgba(0,0,0,0.3) background overflow hidden