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