body {
    background-image: url(./gee.gif);
    background-repeat: no-repeat;
    background-size: 100vw;
}

h1 {
    margin: auto;
    font-size: 10vw;
    color:aliceblue;
}

div {
    width: 100px;
    height: 100px;
    animation-name: spin;
    animation-duration: 50ms;
    animation-iteration-count: infinite;
    animation-timing-function: linear; 
    transform: rotate(3deg);
    transform: rotate(0.3rad);
    transform: rotate(3grad); 
    transform: rotate(.03turn);
  }
  
  @keyframes spin {
      from {
          transform:rotate(0deg);
      }
      to {
          transform:rotate(360deg);
      }
  }