.glow-demo {
    background: #111;
}
/*Waves*/
.glow span {
    color: #fff;
    transition: all 300ms;
}
.logo-section:hover  .glow span{
    text-shadow: 0 0 10px #ffc123,
                 0 0 30px #fbff2b,
                 0 0 80px #c2b025,
                 0 0 120px #f3dc2f,
                 0 0 200px #dec639e3;
}

/* .glow img:hover{
    filter: drop-shadow( 0 0 10px #ffc123) drop-shadow( 0 0 30px #fbff2b) drop-shadow(  0 0 80px #c2b025) drop-shadow(  0 0 120px #f3dc2f) drop-shadow(0 0 200px #dec639e3);

} */