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