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