img {
    max-width: 95%;
    box-sizing: border-box;
    width: 500px;
    margin: 10px;
}

#container-main {
    display: flex;
    flex-flow: column;
    align-items: center;
}

iframe {
    width: 640;
    height: 480;
    max-width: 90vw;
}

.page-content {
    padding: 30px 10px;
    width: 90vw;
    height: fit-content;
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
}
.ps {
    width: 450px;
    max-width: 95%;
    color: rgb(100,100,100);
    font-size: .9em;
}