/* Challenge 1: Emoji */
.challenge1 {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.challenge1 .emoji {
    width: 100px;
    height: 100px;
    background-color: yellow;
    border-radius: 50%;
}

/* Challenge 2: Parasite */
.challenge2 {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.challenge2 .parasite {
    width: 150px;
    height: 100px;
    background-color: green;
    border-radius: 50px 50px 0 0;
    position: relative;
}

.challenge2 .parasite::before {
    content: "";
    width: 60px;
    height: 60px;
    background-color: red;
    border-radius: 50%;
    position: absolute;
    top: 20px;
    left: 20px;
}

/* Challenge 3: Geek */
.challenge3 {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.challenge3 .geek {
    width: 150px;
    height: 150px;
    background-color: lightblue;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.challenge3 .geek p {
    font-size: 24px;
    color: purple;
    text-align: center;
}

/* Challenge 4: Rainbow */
.challenge4 {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.challenge4 .rainbow {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(45deg, red, orange, yellow, green, blue, purple);
}

/* Challenge 5: Poisonous */
.challenge5 {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.challenge5 .poisonous {
    width: 150px;
    height: 150px;
    background-color: black;
    border-radius: 50%;
    position: relative;
}

.challenge5 .poisonous::before {
    content: "";
    width: 60px;
    height: 60px;
    background-color: green;
    border-radius: 50%;
    position: absolute;
    top: 20px;
    left: 20px;
}

.challenge5 .poisonous::after {
    content: "";
    width: 40px;
    height: 40px;
    background-color: red;
    border-radius: 50%;
    position: absolute;
    top: 45px;
    left: 45px;
}