*{
    padding: 0;
    margin: 0;
}
html, body, #app, .container, .content {
    width: 100%;
    height: 100%;
}
body {
   font-size: 20px;
   overflow: hidden;
   user-select: none;
}
a:hover, a:visited, a:active, a:link {
    text-decoration: none;
}

a {
    text-decoration: none;
    outline: none;
    color: #000;
}
#app {
    min-width: 480px;
    min-height: 640px;
}