h1 {
    text-align: center;
	background-color: MediumAquamarine;
    margin-top: 0px;
    margin-bottom: 0px;
    padding: 5px;
}

.w3-animate-fading {
    animation:fading 8s infinite
}
@keyframes fading{0%{opacity:0}50%{opacity:1}100%{opacity:0}}