Invalid Property Value on background-image

Question

.up { background-image: url(\'/design-library/profound_test/images/cab_images/white-arrow-up.png\') 50% 50% no-repeat; }

This code is giving me an

Answer 1

Even if you do everything described above, you may get an "invalid property value" in Firefox. The workaround is to convert:

background: url(../img/showcase.jpg) no-repeat top center fixed/cover;

into:

background: url(../img/showcase.jpg) no-repeat top center;
background-attachment: fixed;
background-size: cover cover;