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