body,html{width:100%;height:100%;#app{height:100%;width:100%}}a,aside,body,button,div,dl,footer,form,h1,h2,h3,h4,h5,h6,header,input,li,main,nav,ol,p,section,span,ul{padding:0;margin:0;box-sizing:border-box}dl,ol,ul{list-style:none}button,input{border:none;outline:none}a,a:active,a:hover,a:link,a:visited{color:#000;text-decoration:none}