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