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