css puts elements in one line width: 33%, but the result is two lines_html/css_WEB-ITnose

.inline-block {    display: inline-block;}.width33 {    text-align: center;    width: 33%;    box-sizing: border-box;    border-left: 1px solid white;}.bottom-bar {    position: fixed;    bottom: 0px;    width: 100%;    background: rgb(239, 73, 99);    height: 50px;}

 <div class="bottom-bar">        <div class="inline-block width33">文字1</div>        <div class="inline-block width33">文字2</div>        <div class="inline-block width33">文字3</div>    </div>

  <div class="bottom-bar">        <div class="inline-block width33">文字</div><div class="inline-block width33">文字</div><div class="inline-block width33">文字</div>    </div>