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