html,body {
						background-color: #f4f4f9;
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
						padding-top: 0; /* 10px margin + header height (adjust as needed) */
						box-sizing: border-box;
						text-align: center;
        }

        .headerbg {
            position: sticky;
            top: 0;
            height: 55px;
            background-color: #f4f4f9; /* Color of the sticky rectangle */
            z-index: 10; /* Ensure it stays below the sticky header */
	      }
        header {
            position: fixed;
            z-index: 1000;
            top: 5px;
    				box-sizing: border-box;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 60px;
            width: calc(100% - 10px);
            padding: 5px 5px;
            margin: 0 5px;
            background-color: #e9e9f9;
            font-size: 1rem;
            border-radius: 10px;
						box-shadow: 0 4px 2px rgba(0, 0, 0, 0.1);
						box-sizing: border-box;
        }
        header a {
            text-decoration: none;
        		margin: 0 0px;
            color: black;
        }
       	.logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
				.logo a {
						display: flex;
         		align-items: center;
         }
       	.logo img {
       			vertical-align: middle;
            width: 40px;
            height: 40px;
            margin: 5px;
 						border-radius: 10px;
            border: 1px solid #000;
            object-fit: cover;
         }
				
				.center-item {
            align-items: center;
 				    text-align: center;
    				position: absolute; /* Absolute position to center in the header */
    				left: 50%; /* Center horizontally */
    				top: 50%; /* Center vertically */
    				transform: translate(-50%, -50%); /* Adjust position to truly center */
				    font-size: 2rem;
				    font-weight: bold;
				    margin: 0;
				    padding: 0;
				    color: #000;
				}
				nav {
				    display: flex;
				    gap: 0;
				    align-items: center; /* Ensure nav links align vertically */
				}
 	      
 	      nav a {
            align-items: center;
            text-decoration: none;
            margin: 0 5px;
            padding: 0;
            color: #333;
        }

				@media (max-width: 520px) {
				    .center-item {
				        display: none; /* Hides the center item on narrow screens */
				    }
				}
				
				.content {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            padding: 20px;
				}

        .title {
            margin: 20px 0;
            font-size: 2rem;
        }
				

 
       .apps-container {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin: 20px;
             flex-wrap: wrap;
       }

        .app {
            text-align: center;
        }

        .app-text {
            margin-top: 10px;
            font-weight: bold;
        }
        .app img {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid #000;
       }

        .app a {
            text-decoration: none;
            color: black;
            font-weight: bold;
            display: block;
            margin-top: 10px;
        }

	      .about-text {
            max-width: 80%;
            min-width: 50%;
            font-family: Arial, sans-serif;
            line-height: 1.6;
            text-align: left;
        }

        .about-text h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
        }

        .about-text p {
            margin-bottom: 5px;
        }

        .about-image {
            width: 200px;
            height: 200px;
            border-radius: 10%;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .about-image img {
            width: auto;
            height: 100%;
            object-fit: cover;
            object-position: center;
        }

        .tutorial-text {
            max-width: 80%;
            min-width: 50%;
            font-family: Arial, sans-serif;
            line-height: 1.6;
            text-align: center;
        }

        .app-topic {
            margin-bottom: 0px;
        }

        .app-topic h2 {
            font-size: 1.5rem;
            margin-bottom: 0px;
        }

        .app-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 10px;
            justify-content: center;
        }

        .app-item {
            text-align: center;
            position: relative;
            flex: 0 0 100px
        }

        .app-item a {
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .app-item img {
            width: 75px;
            height: 75px;
            border-radius: 10px;
            object-fit: cover;
            transition: transform 0.3s;
            border: 2px solid #000;
        }

        .app-item:hover img {
            transform: scale(1.1);
        }

        .app-item:hover .app-details {
            display: block;
        }

        .app-item .app-name {
            margin-top: 0px;
            font-weight: bold;
        }

        .app-item .app-details {
            display: none;
            position: absolute;
            top: 110%;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.8);
            color: #fff;
            padding: 5px;
            border-radius: 5px;
            font-size: 0.9rem;
            width: 200px;
            text-align: center;
            z-index: 10;
        }