body {
    background-color: #729fbd; 
    font-family: 'Arial', sans-serif;
    color: black;
    text-align: left;
    margin: 0;
    padding: 0;
 }
 
 h1 {
    color: rgb(250, 250, 250);
    text-align: center;
    font-size: 2.5em;
    text-shadow: 4px 4px 13px rgba(0, 0, 0, 0.8);
 }
 
 p {
    color: rgb(255, 255, 255);
    font-size: 1.2em;
    margin: 10px 0; }
   
    article {

      margin: 10px;
  
      padding: 30px;
  
      width: 400px; 
  
      background-color: rgb(53, 85, 128);
  
      border-radius: 50px
   }

   nav{
      display: flex;
      flex-direction: column;
   }
   @media (min-width:1000px){
      nav {
         flex-direction: row;
      }
   }

   nav a {
      background-color: rgb(53, 85, 128); 
      color: white;                    
      text-decoration: none;    
      padding: 10px 20px;       
      border: 1px solid white;  
      border-radius: 4px;          
   }

   nav a:hover {
      background-color: white; 
      color: blue; 
      border-color: blue;          
      transition: 2s;                   
   }

   nav {
      display: flex;                      
      flex-direction: column;     
    }
    @media (min-width: 1000px) {    
        nav {
            flex-direction: row;     
        }
    }

    section {
      display: flex;
      flex-direction: column;
    }
    @media (min-width: 1000px) {
      section {
          flex-direction: row;
      }
    }