#app{font-family:Avenir,Helvetica,Arial,sans-serif;height:100vh}html{box-sizing:border-box}*,:before,:after{margin:0;padding:0;box-sizing:inherit}a:hover,a:link,a:visited,a:active{text-decoration:none}ol,ul{list-style:none}input,textarea{outline:none;border:none;resize:none}body{font-size:14px;font-weight:400}a{color:#1890ff}