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