Header Disappeared?

I recently had to delete the W3 Cache Plugin from my website, because it was making my webpage show in in plain text on IE, Firefox and sometimes Chrome. So I deleted it, and everything went back to normal except my header disappeared! I still have the “show logo” option checked in the theme setting, and I still have the correct code (that has been there and working fine since the beginning)

/* Logo, hide text */

.site-header {
background-image: url(http://www.everyonelovescouponing.com/wp-content/uploads/2014/09/10709904_10153170475664829_1097759315_o.jpg);
background-repeat: no-repeat;
background-position: center center;
background-size: cover;
min-height: 260px;
	width: 100%;
}

website : http://everyonelovescouponing.com