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