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