*{padding: 0; margin: 0; font-family: "微软雅黑","黑体";}
body,html{font-size: 62.5%;}/*相当于10px*/
a{ text-decoration: none;}
ul,ol{list-style: none;}
img{border: none;}
input,textarea{outline: none;}	
	

/*背景颜色满屏:height: 100vh*/


/*flex 布局:
left{
	左边200px
	flex: 0 1 200px;
}

right{
	flex: 1;剩余空间满屏
}*/