body{
             font-family:Arial, sans-serif;
             background-color: #1c1c1c;
             color: #fff;
             
         }  
           
          header{
            background-color: #333;
            padding: 20px;
            text-align:center;
            
          }
          
          table{
              margin: 0 auto;
              color:#ff3131;
          }
          
          
         .menu {
              list-style:none;
              padding: 0;
              background-color:#333;
              width:90%;
              max-width:1000px;
              margin:auto;
           
         }
         
         .menu li a{
             text-decoration:none;
              color:white;
              padding:20px;
              display:block;
              
         }
         
         .menu li{
             display: inline-block;
             text-align:center;
         }
         
         .menu li a:hover {
             background:#ff3131;
         }
         
         .content {
            
            padding: 50px;
            text-align: justify;
            background:#333;
            width:800px;
            height:1500px;
            margin: 50px auto;
         }
         
          footer{
              text-align: center;
          }
        
          .formulario{
            padding: 50px;
            text-align: justify;
            background:#f9f8f8;
            width:700px;
            height:1100px;
            margin: 50px auto;
            color:#000;
          }
          
          h2{
              text-align:center;
              background-color: #ff3131;
          }
          h3{
              text-align:center;
              background-color: #ff3131;
          }