Element block pseudo-class :active generated with width 160px transition overflow hidden transform z-index auto border-radius box-sizing content-box display block cursor default border 0px rgba(0,0,0,1) solid margin 0px text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none font-weight normal box-shadow 0px 0px 9px rgba(0,0,0,0.5) padding 20px line-height 1 height auto font-size 16px position static background