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