.tips{

    font-size: 24px;

    font-family: sans-serif;

    font-weight: 600;

    text-shadow: 1px 1px #ffb700;

    color:#000;

    background:-webkit-gradient(linear,left top,right top,from(#000),color-stop(#fff),to(#000));

    background:linear-gradient(90deg,#000,#fff,#000);

    background-repeat:repeat-x;

    background-size:80%;

    -webkit-animation:move 5s linear infinite;

    animation:move 5s linear infinite;

    -webkit-background-clip:text;

    -webkit-text-fill-color:hsla(0,0%,100%,0)

}

@-webkit-keyframes move {

    0% {

        background-position: -500%

    }

    to {

        background-position: 500%

    }

}