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