body {
font-family: Arial;
background: #f4f6f8;
margin: 0;
padding: 0;
}

.container {
max-width: 600px;
margin: 50px auto;
background: white;
padding: 20px;
border-radius: 10px;
box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
text-align: center;
}

.email-box {
display: flex;
gap: 10px;
margin-bottom: 20px;
}

input {
flex: 1;
padding: 10px;
font-size: 16px;
}

button {
padding: 10px;
cursor: pointer;
background: #007bff;
color: white;
border: none;
border-radius: 5px;
}

button:hover {
background: #0056b3;
}

.message {
padding: 10px;
border-bottom: 1px solid #ddd;
cursor: pointer;
}