Element block pseudo-class :active generated with border 0px rgba(0,0,0,1) solid background overflow hidden z-index auto padding 20px transition display block cursor default font-weight normal float left transform box-shadow 1px 1px 1px rgba(0,0,0,0.3) line-height 1 margin 0px font-size 16px text-shadow 1px 1px 1px rgba(0,0,0,0.2) width auto box-sizing content-box position static border-radius height auto