* {
  box-sizing: border-box;
}

.App {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 95vh;
  background-color: #4CAF50;
  background-image: url('../img/bg.jpg');
  background-repeat: no-repeat;
  background-size: cover; 
}

a {
  text-decoration: none;
  color: #3d7bb3;
}

h1 {
  font-size: 48px;
}

h2 {
  font-size: 40px;
}

h3 {
  font-size: 32px;
}

h4 {
  font-size: 20px;
  text-decoration: none;
  color: #ff0000;
}

h5 {
  font-size: 16px;
}

h6 {
  font-size: 14px;
}

h7 {
  font-size: 10px;
}

p {
  font-size: 12px;
}