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