body {
    margin: 0;
    padding: 40px;
    background-color: #f0f0f0;
    font-family: Arial, sans-serif;
}

#container {
    width: 600px;
    height: 500px;
    background-color: #ffd7ee;
    margin: 0 auto;
    position: relative;
    border: 3px solid rgb(255, 115, 239);
    overflow: hidden;
}

.square,
.circle,
.rectangle {
    position: absolute;
}

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

.circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
}

.rectangle.horizontal {
    width: 140px;
    height: 50px;
}

.rectangle.vertical {
    width: 50px;
    height: 140px;
}

.small {
    width: 50px;
    height: 50px;
}

.red {
    background-color: red;
}

.yellow {
    background-color: yellow;
}

.white {
    background-color: white;
}

.black {
    background-color: black;
}

/* main shapes */
.square.red {
    top: 30px;
    left: 30px;
}

.square.yellow {
    top: 30px;
    left: 170px;
}

.circle.red {
    top: 180px;
    left: 60px;
}

.circle.yellow {
    top: 180px;
    left: 210px;
}

/* smaller shapes */
.square.white.small {
    top: 60px;
    right: 80px;
}

.square.black.small {
    top: 130px;
    right: 140px;
}

.circle.white.small {
    top: 220px;
    right: 100px;
}

.circle.black.small {
    top: 290px;
    right: 160px;
}

/* rectangles */
.rectangle.red.horizontal {
    bottom: 40px;
    left: 40px;
}

.rectangle.yellow.vertical {
    bottom: 90px;
    left: 220px;
}

.rectangle.white.horizontal {
    bottom: 50px;
    right: 60px;
}

/* lines */
.line {
    position: absolute;
    background-color: black;
}

.line1 {
    width: 6px;
    height: 200px;
    left: 320px;
    top: 40px;
}

.line2 {
    width: 180px;
    height: 6px;
    left: 300px;
    top: 260px;
}

.line3 {
    width: 6px;
    height: 140px;
    right: 220px;
    bottom: 40px;
}