iframe {
  height: auto;
  aspect-ratio: 640 / 940;
}

iframe, iframe table, iframe img {
  width: 100%;
}

iframe img {
  height: auto;
}
button.btn-6-new {
    background: #72C0DE;
    color: #FFFFFF;
    vertical-align: middle;
    margin-left: 2px;
    margin-top: 0px;
    border-top: 2px solid #DBDBDB;
    border-bottom: 2px solid #DBDBDB;
    border-left: 2px solid #DBDBDB;
    box-shadow: none;
    width: 100%;
    height: 100%;
    border-style: none;
    border-radius: 10px;
    font-size: 18px;
}
button#create_group_menu_button {
    width: 100%;
    border-style: none;
    background-color: unset;
}
.create_group_menu_wrap {
	display: none;
}
.create_group_menu_qr_wrap {
	display: none;
}
html, body {
	height: 100%;
	margin: 0;
}

body {
	display: flex;
	flex-direction: column;
}

.main {
	flex: 1; 
	text-align: center;
}
.page_title{
	margin-top: 2em;
	margin-bottom: 2em;
}
.error {
    color: red;
}