@keyframes Rainbow{
     0%{color:red}
    10%{color:orange}
    20%{color:yellow}
    30%{color:greenyellow}
    40%{color:green}
    50%{color:turquoise}
    60%{color:aqua}
    70%{color:blue}
    80%{color:blueviolet}
    90%{color:magenta}
    100%{color:red}
}