* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    background: #eef7f4;
    font-family: Arial, Helvetica, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background-color: #ffffff;
    width: 100%;
    max-width: 400px;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h1 {
    margin-bottom: 25px;
    color: #2b5346;
    border-bottom: 2px solid #3cb371;
    padding-bottom: 10px;
}

.container .container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn {
    padding: 15px;
    border: none;
    border-radius: 10px;
    background-color: #3cb371;
    color: #ffffff;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
}

.btn:hover {
    background-color: #2e8b57;
    transform: translateY(-2px);
}

span {
    text-align: center;
    padding: 20px;
    font-weight: bold;
    background: #eef7f4;
    color: #2b5346;
    font-weight: bold;
}