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

body {
    font-family: 'Roboto', sans-serif;
    background-color: #f4f4f4;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
    background-image: url('https://ericsdoodles.com/100days/48/assets/apr.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: all 1.5s ease-in-out;
}

.countdown {
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;

}

.container h1 {
    font-size: 3rem;
    color: #fff;
    margin-bottom: 20px;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    background-color: #8e8686;
    padding: 10px 20px;
    border-radius: 10px;
}

.choose-dates {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
}

.choose-dates input {
    width: 200px;
    padding: 10px;
    border: none;
    border-radius: 5px;
    margin: 0 10px;
    font-size: 1.2rem;
}

.choose-dates button {
    padding: 10px 20px;
    border: none;
    font-size: 20px;
    border-radius: 5px;
    background-color: #333;
    color: #fff;
    font-size: 2.2rem;
    cursor: pointer;
    border-radius: 10px;
}

.countdown-item {
    width: 170px;
    font-size: 2rem;
    margin: 30px 2px;
    padding: 20px;
    border-radius: 5px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 20px;
}