body {
    background-color: gray;
}

.lightbtn {
    position: fixed;
    top: 10px;
    right: 10px;
    border-radius: 90%;
}

.cg_p {
    max-width: 900px;
    margin: auto;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    padding: 20px;
    text-align: center;
}

.cg_p h2 {
    text-align: center;
    margin-bottom: 30px;
}

.cg_p h3 {
    margin-top: 25px;
}

.return {
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    height: 30px;
}