html {
    font-size: 62.5%;
    height: 100%;
}

body {
	line-height: 2.5rem;
    font-size: 1.5rem;
    height: 100%;
    margin: 0;
}

ul, div, p, h1, h2, h3{
    padding: 0;
    margin: 0;
}

li {
    list-style-type: none;
}

a {
text-decoration: none; /* 去掉下划线 */
color: inherit; /* 继承父元素颜色 */
}