body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container_formular4 {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, .1);
    border-radius: 8px;
}

.container_formular4 h1 {
    text-align: center;
    color: #333;
}

.container_formular4 label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #555;
}

.container_formular4 input, select, textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 5px;
    border: 1px solid #ddd;
    box-sizing: border-box;
    font-size: 16px;
}

.container_formular4 .input-group {
    display: flex;
    justify-content: space-between;
    gap: 15px;
}

.container_formular4 .input-group input {
    width: 95%;
}

.container_formular4 button {
    width: 100%;
    padding: 12px;
    background-color: #4caf50;
    color: white;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.container_formular4 button:hover {
    background-color: #45a049;
}

.container_formular4 .Pause_msg {
    color: #FF0000;
}

.container_formular4 .Zeit_input {
    min-width: 110px;
}