body {
    margin: 0;
    overflow: hidden;
    height: 100vh;
    background-color: #f0f0f0;
}

#floating-icon {
    position: absolute;
    width: 150px;
    height: 150px;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

#close-btn {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 20px;
    height: 20px;
    background-color: red;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}