html,
body {
  height: 100%;
}

.container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}

button {
  padding: 40px 60px;
  font-size: large;
  font-family: Arial, Helvetica, sans-serif;
}

.info {
  font-family: Arial, Helvetica, sans-serif;
  font-size: large;
}

.file-import-label {
  padding: 40px 60px;
  border: 2px dashed #aaa;
  border-radius: 10px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: large;
  text-align: center;
  cursor: pointer;
}

.file-import-label input[type="file"] {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}