JSFiddle - React, Tailwind, and code Playground

HTML

<div class="box_holder">
    <span class="inner">
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    <div class="box"></div>
    </span>
</div>

CSS

.box_holder {
    border:1px solid red;
    display:inline-block;
    white-space:nowrap;
    padding:10px;
}
.box {
    width:30px;
    height:20px;
    margin-left:10px;
    background-color:red;
    display:inline-block;
    vertical-align:top;
}

.box:first-child {
    margin-left:0;
}

.inner{
   display:inline-block;
    border:1px solid blue;
}