body{font-family:Arial,sans-serif;background-color:#dcf8c6;color:#000;margin:0;padding:0}.container{max-width:600px;margin:50px auto;padding:20px;background-color:#fff;border-radius:5px;box-shadow:0 0 10px #0000001a}.form-group{margin-bottom:20px}label{font-weight:700}input[type=text],textarea{width:96%;padding:10px;border:1px solid #ccc;border-radius:3px;font-size:16px;transition:border-color .3s ease}input[type=text]:focus,textarea:focus{border-color:#1b5e20}button[type=submit]{display:block;width:100%;padding:10px;background-color:#25d366;color:#fff;border:none;border-radius:3px;font-size:16px;cursor:pointer;transition:background-color .3s ease}button[type=submit]:hover{background-color:#1da851}.alert-danger{padding:16px;color:#6495ed;text-transform:uppercase;animation:fadeOutAlerta 1s forwards 5s}@keyframes fadeOutAlerta{0%{opacity:1}to{opacity:0;display:none}}