body {
	background: #E0F7FA;
	}
div {
	display: flex;
	width: 1000px;
	margin: 0 auto 50px;
	justify-content: space-between;
}
main {
	flex-basis: 980;
}
aside {
	flex-basis: 500px;
	background-color: #E8DABE;
	display: inline-block;
	border: 3px dashed #aaaaaa;
	margin: 50px;
	border-radius: 30px;
}
aside nav {
          margin: 20px;
	  }
aside nav ul a:hover {
                      text-decoration: underline wavy 2px;
		      }
main h2 {
	width: 250px;
	border-bottom: 4px solid rgb(0, 0, 0);
}

ul li {list-style-image: url("radarisu.png");
       list-style-position: inside;}
li:hover {list-style-image: url("imanoradao.png");list-style-position: inside;}
li:active {list-style-image: url("radao_image.png");list-style-position: inside;}