Element block pseudo-class :active generated with border 2px rgba(0,0,0,1) solid font-size 16px display block overflow hidden border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform box-sizing content-box font-weight normal padding 20px position fixed z-index auto line-height 1 height auto margin 200px width 160px background cursor default float none transition box-shadow 1px 1px 1px rgba(0,0,0,0.3)