GAS+LineBot開發
.videobox {
position: relative;
width: 100%;
height: 0;
padding-bottom: 56.25%;
}
.videobox iframe {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
Youtube影片：https://youtu.be/Ka0CIcpZbvU