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