.progress-container display: none; margin: 20px 0;
.features margin-top: 30px; text-align: left; border-top: 1px solid #e0e0e0; padding-top: 20px; download .net framework 4.5 offline installer
.container background: white; border-radius: 20px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); max-width: 500px; width: 100%; padding: 40px; text-align: center; transition: transform 0.3s ease; .progress-container display: none
.progress-bar width: 100%; height: 30px; background-color: #e0e0e0; border-radius: 15px; overflow: hidden; position: relative; margin: 20px 0
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Download .NET Framework 4.5 Offline Installer</title> <style> * margin: 0; padding: 0; box-sizing: border-box;
.status.info background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb;