JSFiddle - React, Tailwind, and code Playground

HTML

<div id="ButtonBarDivUnit" class="ButtonBarDiv">
   <input type="image" height="48" src="~/Content/Images/test1.png" />
   <input type="image" src="~/Content/Images/test2.png" />  
</div>

CSS

#ButtonBarDivUnit {
    top:160px;
}

.ButtonBarDiv
{   
    background-color:yellow;
    width:280px;
    position:fixed;
    border:1px solid blue;
    left:0px;
    text-align: center;
    line-height:24px;
}

.ButtonBarDiv input[type=image]
{
   vertical-align:middle;
}