*{
    padding:0;
    margin:0;
    box-sizing: border-box;
    text-decoration: none;
    scroll-behavior: smooth;
}

body {
    font-family:'Times New Roman', Times, serif;
    background-color: cadetblue;
}

.header {
    background-color: cadetblue;
    color: aliceblue;
    background-image: url(img/fruits-background.jpg);
    background-repeat: no-repeat;
    background-size: 100%;
    padding: 250px;
    height: 600px;
    font-size: 42px;
    text-align: center;
}

.main-content {
    padding-bottom: 200px;
}

.memory-game {
    text-align: center;
    align-items: center;
    margin-bottom: 150px;
    position: relative;
}

.wrapper {
    width: 800px;
    height: 400px;
    margin: auto;
}

.cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 20px;
    border-radius: 10px;
    background-color:darkcyan;
}

.card {
    background-color: aliceblue;
    height: calc(100% / 4 - 20px);
    width: calc(100% / 4 - 20px);
    display: flex;
    cursor: pointer;
    justify-content: center;
    margin: 5px;
    border-radius: 10px;
}

.wrapper img {
    width: 100px;
    height: 130px;
}

#button {
    width: 120px;
    height: 60px;
    margin-top: 100px;
    border-radius: 10px;
    cursor: pointer;
    background-color: aliceblue;
    border-color: darkcyan;
    font-size: 28px;
}

#button:hover {
    box-shadow: 5px 5px 10px 2px;
    text-shadow: 3px 3px 7px;
}

.score-container {
    display: flex;
    justify-content: center;
    width: 450px;
    margin: auto;
    margin-bottom: 20px;
    font-size: 24px;
    border: solid 2px darkcyan;
    background-color: aliceblue;
    margin-top: 20px;
    padding: 20px;
    border-radius: 10px;
}

#dropdown-time {
    width: 90px;
    height: 30px;
    margin: 0 10px 0 10px;
    border-radius: 10px;
    cursor: pointer;
    background-color: aliceblue;
    border-color: darkcyan;
    font-size: 20px;
}

.score {
    margin-right: 10px;
}

footer {
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    padding: 20px;
    background-color: aliceblue;
    text-align: center;
}

@media screen and (max-width: 800px) {
    .header {
        width: 800px;
    }

    .memory-game {
        width: 800px;
    }

    footer {
        width: 800px;
    }
}

@media screen and (max-width: 200px) {
    .header {
        background-size: 100%;
    }

    footer {
        width: 800px;
    }
}