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