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