css rainbow tag

/* Temp/Test*/

a[href="/rainbow"] {
    pointer-events: none;
}

@-webkit-keyframes rainb {
    0%   {color:#F00;}
    17%  {color:#FF0;}
    33%  {color:#0F0;}
    50%  {color:#0FF;}
    67%  {color:#00F;}
    84%  {color:#F0F;}
    100% {color:#F00;}
}

@keyframes rainb {
    0%   {color:#F00;}
    17%  {color:#FF0;}
    33%  {color:#0F0;}
    50%  {color:#0FF;}
    67%  {color:#00F;}
    84%  {color:#F0F;}
    100% {color:#F00;}
}

.save-button > a:hover, a[href$="/rainbow"] {
    -webkit-animation: rainb 5s linear 0s infinite;
    animation: rainb 5s linear 0s infinite;
}

.entry .buttons .save-button > a:hover {
    text-decoration: none;
}