.manish {
    position: relative;
    display: inline-block;
    padding: 15px 30px;
    color: rgb(9, 138, 251);
    text-transform: uppercase;
    letter-spacing: 4px;
    text-decoration: none;
    font-size: 14px;
    overflow: hidden;
    transition: 0.2s;
}

.manish:hover {
    color: #255784;
    background: #2196f3;
    box-shadow: 0 0 10px #2196f3, 0 0 40px #2196f3, 0 0 80px #2196f3;
    transition-delay: 1s;
}