Element block pseudo-element :before generated with display block float none position static cursor default margin 0px width auto border-radius z-index auto padding 13px font-weight normal text-shadow line-height 1 transform box-shadow 1px 1px 0px rgba(0,0,0,0.5) font-size 16px background box-sizing content-box transition border 2px rgba(0,0,0,1) solid overflow visible height auto