body {
    height: 100vh;
    overflow: hidden;
    font-family: Arial, Helvetica, sans-serif;
    background: black;
}

::selection {
    background-color: grey;
}

.FlexCenter {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.FlexCenter2 {
    display: flex;
    justify-content: center;
    align-items: center;
}

iframe {
    max-width: 190px;
    max-height: 60px;
    transform: scale(0.6);
    position: fixed;
    bottom: 20px; right: 20px;
    z-index: 999 !important;
}

@media screen and (max-width:586px) {
    iframe {
        bottom: 0; right: 0;
        transform: scale(0.4);
    }
}