body{ background-image: url('/image/japan-fantasy-landscape-1.jpg'); background-size: cover; background-position: center; background-attachment: fixed; min-height: 100vh} .blur-bg{ backdrop-filter: blur(50px)} .sr-only{ position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0} .license-sidebar{ transition: all 0.3s ease; transform: translateX(-100%)} .license-sidebar.open{ transform: translateX(0);} .license-code:hover{ transform: translateY(-2px)}