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