body{
/* Its, very important to set the background repeat to: no-repeat */
background-repeat:no-repeat; 

background-image:  
/* 2) Gradient              */ linear-gradient(to right, RGB(110, 175, 233), RGB(255, 255, 255)), 
/* 3) Color(using gradient) */ linear-gradient(to right, RGB(110, 233, 175), RGB(110, 233, 175));

background-position:
/* 2) Gradient position     */ 0 0px,
/* 3) Color position        */ 0 400px;

background-size:  
/* 2) Gradient size         */ 100% 2000px, 
/* 3) Color size            */ 100% 0px;
}