.ms-title {
200px;
line-height: 50px;
text-align: center;
font-size: 20px;
color: #fff;
margin:0 auto;
background-image: -webkit-linear-gradient(left,red,orange,yellow,green,pink,indigo,violet);
-webkit-text-fill-color: transparent;
-webkit-background-clip: text;
-webkit-background-size: 200% 100%;
-webkit-animation: masked-animation 2s infinite linear;
}
@-webkit-keyframes masked-animation {
0% {
background-position: 0 0;
}
100% {
background-position: -100% 0;
}
}