SOURCE

 <div class="container">
      <div class="inner">
        <h1>我是容器内容</h1>
      </div>
    </div>

* {
margin: 0;
padding: 0;
}
html {
overflow-y: auto;
overflow-x: hidden;
}
.container {
height: 2000px;
/* margin-right: calc(100% - 100vw); */
/* //注释方便看效果 */
/* padding: 17px;   */
background-color: #00b83f;
text-align: right;
}