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