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