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