section {
    margin: 5vw auto;
    margin-bottom: 2vw;
    width: 80vw;
    height: auto;
}

section > h4 {
    color: rgb(83, 83, 83);
    font-size: 3vw;
    font-weight: bold;
    text-align: center;
    margin-bottom: 4vw;
}

section > p {
    text-align: justify;
    font-size: 1vw;
}

iframe{
    margin-top: 50px;
    min-width: 100vw; 
    min-height: 274px;
    position: fixed;
    bottom: 0px;
}