width: 500px;
height: 500px;
background:
linear-gradient(0deg, rgba(236,255,69,1) 0%, 50%, rgba(69,168,255,1) 100%) 0px 0px / 398px 356px no-repeat no-repeat, /* New Gradient */
linear-gradient(0deg, rgba(69,255,144,1) 0%, 50%, rgba(69,168,255,1) 100%) 0px 0px / 100px 100px no-repeat no-repeat; /* New Gradient */