* {
    box-sizing: border-box;
}
.item1_quotation {
	color: green;
}
.list_link {
	list-style: none;
}
.list_link li:first-child a {
	color: green;
}
.list_link li:nth-child(even) {
	font-size: 20px;
}
.list_link li:nth-child(odd) {
	font-size: 18px;
}
.list_link li:nth-child(3n+1) {
	background-color: yellow;
}
.list_link li a {
	text-decoration: none;
}
.list_link li a:hover {
	text-decoration: underline;
	font-size: 25px;
	color: blue;
}
.list_link li:before {
	content: "-";
}
.logo{
	width: 50vw;
	height: 30vh;
}
.logo a{
	text-decoration: none;
	color: green;
}
.logo a img {
	width: 60%;
	height: 80%;
}

.logo a:after{
	content: "Hello world!";
	font-size: 2vw;
}
.logo a:hover::after{
		content:"Nice to meet you!";
		cursor: pointer;

}