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

body {
    font-family: Arial, sans-serif;
    background-color: #F4F4F4;
    text-align: center;
}

h1 {
    color: #4A90E2;
    margin-bottom: 20px;
}

.container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}

.column {
    background-color: #E0E0E0;
    padding: 20px;
    border-radius: 10px;
    flex: 1;
    max-width: 300px;
    text-align: center;
}

#counter-column {
    background-color: #548CFF;
    color: white;
}

#image-column {
    background-color: #FFF6B7;
}

#slider-column {
    background-color: #D4E157;
}

#random-image {
    width: 200px;
    height: 200px;
    cursor: pointer;
    margin-top: 20px;
}

#slider {
    width: 80%;
    margin: 20px auto;
}

#square {
    width: 200px;
    height: 200px;
    background-color: #FF8A65;
    margin-top: 20px;
    position: relative;
    left: 0;
}

footer {
    margin-top: 30px;
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        align-items: center;
    }

    #square {
        width: 100px;
        height: 100px;
    }
}