body {
  margin: 0;
  padding: 0;
  height: 100vh;
  background-image: url('../images/bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat; 
  color: #000;
}

.my-btn {
	background-color: rgba(230, 0, 18, 0.7);
}