body{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
overflow-x: hidden;
overflow: hidden;
background-color: black;
}
.in{
    width: 82%;
    height: 23vh;
    font-size: 126px;
    font-weight: bold;
    text-align: center;
    text-transform: capitalize;
    color: red;
    text-shadow: 0px 0px 30px;
    background-color: black;
    border: none;
    /* text-decoration: underline white; */
    box-shadow: 0px 20px 30px red;
    animation-name: ab;
    animation-duration: 4s;
    animation-iteration-count: infinite;
}
@keyframes ab {
    10%{
        color: red;
        text-shadow: 0px 0px 30px red;

    }
    30%{
        color: green;
        text-shadow: 0px 0px 30px green;

    }
    50%{
        color: blue;
        text-shadow: 0px 0px 30px blue;
    }

    
}