styles.css

*{
    margin: 0;
    padding :0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif ;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #07252d;
}
h2{
    position: relative;
    font-size: 6em ;
    letter-spacing: 15px;
    color: #0e3742;    
    text-transform: uppercase;
    width: 100%;
    text-align: center;
    -webkit-box-reflect:below 1px 
    linear-gradient(transparent,#0008);
    line-height: 0.70em;
    outline: none;
    animation: animate 5s linear infinite;
}
@keyframes animate{
    0%,18%,20%,50.1% ,60% ,65.1% ,80% ,90.1%,92%{
        color: #0e3742;
        box-shadow:none;
    }
    18.1%,20.1%,30%,50%,60.1% ,65% ,80.1% ,90%,92.1%,100%{
        color: #FFF;
        text-shadow: 0 0 10px #03bcf4,
        0 0 20px #03bcf4,
        0 0 40px #03bcf4,
        0 0 80px #03bcf4,
        0 0 160px #03bcf4;
    }
}