body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 20px;
}

h1 {
    font-size: 28px;
    margin-bottom: 15px;
}

.explanation {
    max-width: 700px;
    margin: 0 auto 20px auto;
    font-size: 16px;
    line-height: 1.5;
    text-align: justify;
}

.controls {
    margin-bottom: 20px;
}

#illusion-container {
    position: relative;
    width: 80%;
    margin: auto;
    overflow: hidden;
}

#illusion-background {
    width: 100%;
    display: block;
}

#hover-object, #reflection-object {
    position: absolute;
    background-color: rgba(255, 0, 0, 0.5);
    display: none;
    pointer-events: none;
}