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