Answers for "background color gradiant modal"

background with image and gradient

body {
  background: #eb01a5;
  background-image: url("IMAGE_URL"); /* fallback */
  background-image: url("IMAGE_URL"), linear-gradient(#eb01a5, #d13531); /* W3C */
}

css linear gradient

#grad {
  background-image: linear-gradient(to right, #f1b1b1 , #82e6e8);

}