* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  width: 455px;
  max-width: 100%;
  min-height: 600px;
  overflow: hidden;
}

#app,
.gd4b-provider {
  width: 100%;
  height: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}
