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