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