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Energy efficiency concept, energy efficiency rating for energy efficient house building rate label audit, Renewable energy concept. for background.

Home Improvement concept, Home Energy Efficiency, Eco-Friendly Home Improvement, Cost Savings and Green Energy Costs. Green Building for Sustainable Development.

Embed

<!DOCTYPE html>
<html>
<head>
    <title>Dropdown with Fullscreen</title>
    <style>
        .dropdown-content {
            display: none;
            padding: 10px;
            background: #f0f0f0;
            margin-top: 5px;
            cursor: pointer;
        }
        .dropdown-content.show {
            display: block;
        }
        .dropdown-btn {
            padding: 10px;
            background: #3498db;
            color: white;
            cursor: pointer;
            border: none;
            width: 200px;
            text-align: left;
        }
        .dropdown-container {
            display: block;
        }
        .fullscreen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.9);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 1000;
        }
        .fullscreen.show {
            display: flex;
        }
        .fullscreen-content {
            background: white;
            padding: 20px;
            max-width: 80%;
            max-height: 80%;
            overflow: auto;
        }
    </style>
</head>
<body>
    <div class="dropdown-container">
        <button class="dropdown-btn" onclick="toggleDropdown()">▼ Click Me</button>
        <div class="dropdown-content" id="dropdown1" onclick="toggleFullscreen()">
            Click this content to open fullscreen!<br>
            Click again to close.
        </div>
    </div>

    <div class="fullscreen" id="fullscreen1" onclick="toggleFullscreen()">
        <div class="fullscreen-content">
            This is fullscreen content!<br>
            Click anywhere to close.
        </div>
    </div>

    <script>
        function toggleDropdown() {
            const dropdown = document.getElementById('dropdown1');
            dropdown.classList.toggle('show');
        }
        
        function toggleFullscreen() {
            const fullscreen = document.getElementById('fullscreen1');
            fullscreen.classList.toggle('show');
        }
    </script>
</body>
</html>

Dream Homes Build

We are an ECO4 installer company based in the UK. We help eligible homeowners upgrade their homes with energy-efficient solutions such as free boiler replacements, solar panels, loft and cavity wall insulation, and heat pumps — all under the UK government’s ECO4 scheme. We handle eligibility checks, installations, and paperwork.