@import url('https://fonts.googleapis.com/css2?family=Eczar&family=Noto+Sans+TC&family=Noto+Serif+TC&family=Outfit&display=swap');

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	height: 100%;
	width: 100%;
}

body {
	overflow-x: hidden;
	overflow-y: auto;
	background-color: #157A6E;
	font-family: Eczar, Noto Serif TC, serif;
	font-size: 2.5vh;
	line-height: 3vh;
}

header, h1, h2, h3, footer {
	font-family: Outfit, Noto Sans TC, sans-serif;
}

header {
	font-size: 6vh;
	height: 30vh;
	line-height: 30vh;
	margin: 0 20% 0;
	width: 60%;
	text-align: center;
	color: #edf6f9;
}

nav {
	width: 60%;
    margin-left: 20%;
	background-color: #edf6f9;
	height: 6vh;
	font-size: 2.5vh;
	line-height: 6vh;
	opacity: 0.9;
	border-radius: 5px;
}

nav > a {
	display: inline-block;
	height: 100%;
	color: #157A6E;
	padding: 0 2vw;
	text-decoration: none;
	transition: all 0.3s ease-in;
}

nav > a:hover {
	background-color: white;
	border-radius: 5px;
	transition: all 0.3s ease-out;
}

h1 {
	font-size: 4.5vh;
	line-height: 4.5vh;
	margin: 1.5vh 0;
}

h2 {
	font-size: 3vh;
	line-height: 4.5vh;
	margin: 0.8vh 0;
}

h3 {
	font-size: 2.4vh;
	line-height: 3.6vh;
	margin: 0.5vh 0;
}

div.img > img {
	width: 100%;
}

article {
	position: relative;
	top: 20%;
	left: 20%;
	width: 60%;
	margin: 1.5vh 0;
	padding: 1vh 5vw;
	background-color: #edf6f9;
	border-radius: 5px;
}

section {
	margin: 2vh 0;
}

section > p {
	text-indent: 5%;
	margin: 1vh 0;
	position: relative;
	color: #323232;
}

footer {
	text-align: center;
	font-size: 2vh;
	height: 10vh;
	line-height: 10vh;
	color: #edf6f9;
}