html,
body {
  padding: 0;
  margin: 0;
}
.app {
  width: 100%;
  margin: 0 auto;
  background-color: #f4eeef;
}

.border {
  padding: 5px;
  border: 1px solid #000;
  height: 100%;
  width: 100%;
}

.content {
  max-width: 960px;
  display: flex;
  margin: 0 auto;
  flex-direction: column;
}