Yes its possible! and you can use as many colors and images as you desire, here is the right way:
body{_x000D_
/* Its, very important to set the background repeat to: no-repeat */_x000D_
background-repeat:no-repeat; _x000D_
_x000D_
background-image: _x000D_
/* 1) An image */ url(http://lorempixel.com/640/100/nature/John3-16/), _x000D_
/* 2) Gradient */ linear-gradient(to right, RGB(0, 0, 0), RGB(255, 255, 255)), _x000D_
/* 3) Color(using gradient) */ linear-gradient(to right, RGB(110, 175, 233), RGB(110, 175, 233));_x000D_
_x000D_
background-position:_x000D_
/* 1) Image position */ 0 0, _x000D_
/* 2) Gradient position */ 0 100px,_x000D_
/* 3) Color position */ 0 130px;_x000D_
_x000D_
background-size: _x000D_
/* 1) Image size */ 640px 100px,_x000D_
/* 2) Gradient size */ 100% 30px, _x000D_
/* 3) Color size */ 100% 30px;_x000D_
}
_x000D_