JSFiddle - React, Tailwind, and code Playground

HTML

<div class="div1">hi</div>
<div class="div2">how</div>
<div class="div3">you</div>

<br/><br/><br/>

<div class="div4"></div>
<div class="div5"></div>
<div class="div6"></div>

CSS

.div1{
    display:inline;
    width:30px;
    background-color:blue;
    height:10px;
}
.div2{
     display:inline;
    width:30px;
    background-color:green;
    height:15px;
}
.div3{
    display:inline;
    width:30px;
    background-color:red;
    height:20px;
}

.div4{
    display:inline-block;
    width:30px;
    background-color:blue;
    height:10px;
}
.div5{
     display:inline-block;
    width:30px;
    background-color:green;
    height:15px;
}
.div6{
    display:inline-block;
    width:30px;
    background-color:red;
    height:20px;
}