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