width: 500px;
height: 500px;
background:
linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 69.44%) 0px 0px / 499px 498px no-repeat no-repeat, /* New Background */
linear-gradient(270deg, rgba(195,0,2,1) 0%, rgba(162,6,99,1) 50%, rgba(110,35,185,1) 100%) 0px 0px / 501px 498px no-repeat no-repeat, /* New Background */
linear-gradient(rgba(0,0,0,1), rgba(0,0,0,1)) 0px 0px / 501px 502px no-repeat no-repeat; /* New Background */