body {
            background-image: linear-gradient(rgba(0, 0, 0, 0.92), rgba(9, 83, 195, 0.92)), url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1470&q=80');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: #f0f4f8;
            
            font-family: 'Calibri', 'Georgia';
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            text-align: left;
            
            padding: 60px 10px 60px 10%;
            margin: 0;
            line-height: 1.6;
            font-size: 18px;
            max-width: none;
             
            width: 100%;
            min-height: 100vh;
            box-sizing: border-box;
            
        }
               
        img {
            height: auto;
            margin-bottom: 20px;
            line-height: 1.6;
            background-attachment: scroll;
            max-width: none; 
            width: 50%;
            height: 30vh;
            min-height: 100vh;
            box-sizing: border-box;  

        }

        .res{
         width: 900px;
         display: flex;
         max-width: 100%;
         min-height: 50%;
        }


        iframe {
            width: 100%;
            height: 400px;
            
        }

        h1 {
            color: #aaf6e4;
            font-size: 36px;
            margin-bottom: 20px;
            font-family: calibri;
        }

        h2 {
            color: #ffb3b3;
            font-size: 30px;
            margin-bottom: 10px;
        }

        h3 {
            color: #ffffff;
            font-size: 40px;
            margin-bottom: 10px;
            float: left;
            font-family: calibri;
            font-weight: bold;
        }

        h4 {
            color: #f0f4f8;
            font-size: 24px;
            margin-bottom: 10px;
            font-family: calibri;
            float: left;
        }

        p { 
            clear: both;
            margin-bottom: 20px;
            text-align: justify; 
            font-family: Georgia;
            font-size: 20px;
            color:#f0f4f8;
            font-weight: bold;
        }

        
           .synthetic, .Land{
            background-color: rgba(255, 255, 255, 0.1);
            display: flex;
            flex-direction: row;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
            margin-top: 30px;
            padding: 15px; 

            
        }


        .pic{
            display: flex;
        }
           

        .introduction {
                  text-align: left;
                
            
            }

            .Our-research {
              display: flex;
              flex-direction: row;
              justify-content: space-between;
               gap: 20px;
              width: 100%;
            
            }


        .Chemistry-card, .Physics-math-card {
            flex: 1;
            background-color: rgba(255, 255, 255, 0.07);
            border-radius: 12px;
            border: 4px solid #64ffda;
            padding: 30px;
            width: 100%;

            display: flex;
            flex-direction: column;
            
        }
        
        .Chemistry-card h1, .Physics-card h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #64ffda;
            margin-top: 0px;
            margin-bottom: 15px;
            letter-spacing: 1px;
            gap: 10px;

        }
    

        .fraction-needs {
            display: inline-block;
            align-items: center;
            font-family: 'Georgia', 'Calibri', serif;
            font-size: 1.1rem;
            color:#ffffff;
            margin: 5px 0;
            width: 100%;
        }

          .fraction{
            display: inline-block;
            flex-direction: column;
            align-items: center;
            vertical-align: middle;
            margin-left: 6px;
            line-height: 1.1;
            width: max-content;
          }
    
          .numerator {
            display: block;
            text-align: center;
            font-size: 0.95rem;
            font-weight: bold;
            padding: 0 4px;
          }

          .denominator {
            display: block;
            text-align: center;
            font-size: 0.95rem;
            font-weight: bold;
            border-top: 2px solid #ffffff;
            width: 100%;
            padding: 2px 4px 0 4px

          }

          span {
            display: inline-block;
            font-family: Georgia;
            color:#f0f4f8;
            font-weight: bold;
          }

          

          .Calculations {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 10px;
            width: 100%;
            margin-top: 30px;
            padding: 15px; 
          }