body {
   
        background: linear-gradient(55deg, #4f7751, #a3a1357e, #6953ccef, #610202, red );
        background-size: 280% 300%;
        animation: colors 25s ease infinite;
      }
  
      @keyframes colors {
        0% {
          background-position: 0% 50%;
        }
        50% {
          background-position: 100% 50%;
        }
        100% {
          background-position: 0% 50%;
        }
      }