t
100px solid rgb(255, 0, 0)
one
background: url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7) 0 0 no-repeat;
one
url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7) 0 0 no-repeat red,linear-gradient(10% rgb(0,0,0),100% rgba(0,0,0,0))
t
linear-gradient(10% rgb(0,0,0),100% rgba(0,0,0,0))