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