body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background: linear-gradient(120deg, #84fab0, #8fd3f4, #c4b7cb, #a1c4fd);
    background-size: 400% 400%;
    animation: gradientAnimation 15s ease infinite;
}

@keyframes gradientAnimation {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.container {
    width: 400px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.8);
    /* Прозрачный фон контейнера */
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h2 {
    text-align: center;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
}

input[type=text],
input[type=email],
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    resize: vertical;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
}

button.exit-btn {
    background-color: #f44336;
}

button:hover {
    background-color: #45a049;
}

button.exit-btn:hover {
    background-color: #d32f2f;
}