bs隙間系5

index.html

<div class="container" style="padding: 10px; background-image: url(./images/star.gif)"> <!-- .containerに背景画像を設定 -->
    <div class="row" style="background-color: green; margin-left: 0; margin-right: 0;">
        <div class="col-sm-4" style="background-color: blue; padding: 0;">
            <img src="./images/img1.jpg">
        </div>
        <div class="col-sm-4" style="background-color: yellow; padding: 0;">
            <img src="./images/img4.jpg">
        </div>
        <div class="col-sm-4" style="background-color: purple; padding: 0;">
            <img src="./images/img5.jpg">
        </div>
    </div>
</div>