body{background-image:url(https://en.ctrlfire.com/images/hero-bg.jpg);background-size:cover;background-position:center;background-repeat:no-repeat;font-family:Arial,sans-serif;color:#fff;margin:0;padding:0}.app{display:flex;flex-direction:column;min-height:100vh}header{background-color:#00000080;padding:1rem}nav ul{display:flex;justify-content:center;list-style:none;padding:0}nav li{margin:0 1rem}nav a{color:#fff;text-decoration:none}.hero{flex-grow:1;display:flex;justify-content:center;align-items:center;text-align:center}.hero h1{font-size:3rem;margin-bottom:1rem}.hero p{font-size:1.5rem;margin-bottom:2rem}.hero button{background-color:#007bff;border:none;color:#fff;padding:1rem 2rem;font-size:1.2rem;cursor:pointer}.features{display:flex;justify-content:center;margin-top:2rem}.feature{background-color:#00000080;padding:2rem;margin:1rem;text-align:center;flex-basis:300px}.feature h2{font-size:1.5rem;margin-bottom:1rem}.feature p{margin-bottom:1rem}.feature a{color:#007bff;text-decoration:none}footer{background-color:#00000080;padding:1rem;text-align:center;margin-top:auto}