h2 {
    color: red;
}

h3 {
    color: green;
}

h4 {
    color: darkmagenta;
}

h5 {
    color: goldenrod
}

.blinking {
    animation: blinkingText 1.2s infinite;
}

@keyframes blinkingText {
    0% {
        color: #000;
    }

    49% {
        color: #000;
    }

    60% {
        color: transparent;
    }

    99% {
        color: transparent;
    }

    100% {
        color: #000;
    }
}