index.css

body {
    background-color: bisque;
    text-align: center;

}

h1 {
    color: #ff9900;

}
.background {
    display: flex;
    min-height: 100vh;
    width: 100vw;
    justify-content: center;
    align-items: center;
    background: linear-gradient(45deg, rgb(26, 1, 117) 0%, rgba(225, 5, 34, 0) 70%) repeat scroll 0% 0%, 
    linear-gradient(135deg, rgb(225, 5, 152) 10%, rgba(49, 5, 209, 0) 80%) repeat scroll 0% 0%, 
    linear-gradient(225deg, hsla(179, 81%, 45%, 1) 10%, rgba(10, 219, 216, 0) 80%) repeat scroll 0% 0%,
     rgba(0, 0, 0, 0) linear-gradient(315deg, rgb(189, 5, 245) 100%, rgba(9, 245, 5, 0) 70%) repeat scroll 0% 0%;
  }
  
  /* Shapes */
  .background .shape {
    filter: blur(465px);
    position: absolute;
  }
  
  .background .shape:nth-child(1) {
    background-color: #ffb0d8;
    top: -340px;
    width: 300px;
    height: 300px;
  }
  
  .background .shape:nth-child(2) {
    left: 100px;
    bottom: -150px;
    background-color: #c26cf3;
    width: 200px;
    height: 210px;
  }
  
  .background .shape:nth-child(3) {
    background-color: #87cfdf;
    bottom: -150px;
    right: 100px;
    width: 300px;
    height: 300px;
  }
  
  /* Other page styling */
  * {
    margin: 0;
    padding: 0;
  }