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