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