body {
    background-color: #f8f9fa;
  }
 

.center {
        text-align: center;
        margin-top: 150px;
    }

.container {
    height: 100vh;
  }
  
.btn {
    width: 150px;
  }

h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    }

h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    }