body {background-image: url("background.jpg"); background-size: cover}
		#main{text-align: center; width:800px; margin: 0 auto;}
		#main div {width: 150px; height:150px ;background-color:#BBBBBB; display: inline-block; align-content: center;border-radius: 40px; box-shadow: inset 0px 0px 20px black; border: 3px solid #0095D5; margin: 3px}
		#main div:hover{background-color:#0095d5; transform:scale(1.10); transition-duration: 0.4s}
		#main div:not(:hover){transition-duration: 0.5s}
		#main div img{width:140px; width:140px; filter: drop-shadow(0 0 15px white);}
		#main div a {color: red}
		#header {width:470px; margin:40 auto 60}
		#header img {width:470px; transition-duration: 0.5s}
		#header img:hover{ transform:scale(1.2); transition-duration: 0.5s}
		#header img:not(:hover){transition-duration: 0.5s}