body{
  margin-top: 80px;
  display: flex;
  justify-content: center;
  background-color: #212121;
  height: 100vh;
  overflow: hidden;
}


.container {
    width: 575px;
    height: 625px;
    background-color: #b7b7b7;
    
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
   
  }
  #height,
  #weight {
    width: 150px;
    height: 25px;
    margin-top: 20px;
   margin-left: 50px;
  }
  
  #weight-guide {
   
    margin-top: 25px;
  }
  
  #results {
    font-size: 35px;
  
    margin-top: 20px;
    color: rgb(0, 0, 0);
  }
  
  button {
    
    
    margin: 35px auto 0;
    background-color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    color: #212121;
    text-decoration: none;
    border: 2px solid #212121;
    font-size: 25px;
    display: flex;

  }
  
  h1 {
    padding-left: 15px;
    padding-top: 25px;
  }
  
  label{
    font-weight: bold;
  }

  .guide{
    list-style: none;
  }