body {
    font-family: 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #ade4ab;
    margin: 0;
    color: #333;
    direction: rtl;
}

.container {
    background-color: #fff;
    padding: 30px 40px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 100%;
    max-width: 500px;
}

h1 {
    color: #e44d26; 
    margin-bottom: 20px;
    font-size: 2em;
}

p {
    font-size: 1.1em;
    margin-bottom: 15px;
}

.timer-display {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #4CAF50; 
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 25px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.time-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 10px;
}

.time-unit span:first-child {
    font-size: 2.5em;
    font-weight: bold;
    margin-bottom: 5px;
}

.time-unit .label {
    font-size: 0.8em;
    text-transform: uppercase;
}

.separator {
    font-size: 2.5em;
    font-weight: bold;
    margin: 0 5px;
}

.hidden {
    display: none;
}

#expired-message {
    color: #d9534f;
    font-size: 1.2em;
    font-weight: bold;
}