公式に掲載されていた動画です。
1 2 3 4 5 6 7 8 9 | <!-- 16:9 aspect ratio --> < div class = "embed-responsive embed-responsive-16by9" > < iframe class = "embed-responsive-item" src = "..." ></ iframe > </ div > <!-- 4:3 aspect ratio --> < div class = "embed-responsive embed-responsive-4by3" > < iframe class = "embed-responsive-item" src = "..." ></ iframe > </ div > |