* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #3d4d27;
            background: #b4976f;
            min-height: 100vh;
        }
/* unvisited link */
a:link {
  color: #945856;
}

/* visited link */
a:visited {
  color: #436571;
}

/* mouse over link */
a:hover {
  color: #646b67;
}

/* selected link */
a:active {
  color: #b4976f;
} 

        .container {
            width: 70%;
            margin: 0 auto;
            padding: 40px 20px;
        }



        .header {
            text-align: center;
            margin-bottom: 50px;
            color: white;
        }

        .header h1 {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .header p {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
        }

        .demo-section {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            margin-bottom: 40px;
        }

        .section-title {
            font-size: 2rem;
            color: #2c3e50;
            margin-bottom: 30px;
            text-align: center;
            border-bottom: 3px solid #3498db;
            padding-bottom: 10px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .feature-card {
            background: #cccccc;
            padding: 25px;
            border-radius: 15px;
            text-align: center;
            border-left: 4px solid #3498db;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }

        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 15px;
        }

        .feature-card h3 {
            color: #2c3e50;
            margin-bottom: 10px;
            font-size: 1.3rem;
        }

        .feature-card p {
            color: #7f8c8d;
            font-size: 0.95rem;
        }

        .image-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }

        .image-grid img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 12px;
            cursor: zoom-in;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

        .image-grid img:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 25px rgba(0,0,0,0.2);
        }



        .footer {
            text-align: center;
            color: white;
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.2);
        }

        .footer a {
            color: #3498db;
            text-decoration: none;
        }

        .footer a:hover {
            text-decoration: underline;
        }

       
        @media (max-width: 768px) {
            .header h1 {
                font-size: 2.2rem;
            }
            
            .demo-section {
                padding: 25px;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .image-grid {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            }
            
            #example1 {
  border: 2px solid red;
  padding: 10px;
  border-radius: 25px;
}
        
.arrow{

border-left:2px solid #fff;

border-top:2px solid #fff;

position:absolute;

top:40%;left:32%;

height:16px;width:16px;

-ms-transform:rotate(45deg);

-webkit-transform:rotate(45deg);

transform:rotate(45deg)

}

div.gallery {
  border: 1px solid #ccc;
}

div.gallery:hover {
  border: 1px solid #777;
}

div.gallery img {
  width: 100%;
  height: auto;
}

div.desc {
  padding: 15px;
  text-align: center;
}

* {
  box-sizing: border-box;
}

.responsive {
  padding: 0 6px;
  float: left;
  width: 24.99999%;
}

@media only screen and (max-width: 700px) {
  .responsive {
    width: 49.99999%;
    margin: 6px 0;
  }
}

@media only screen and (max-width: 500px) {
  .responsive {
    width: 100%;
  }
}

.clearfix:after {
  content: "";
  display: table;
  clear: both;
}

}