JSFiddle - React, Tailwind, and code Playground

HTML

<div class="outer part">
    <div class="part">IKON</div>
    <div class="part">Tekst</div>
    <div class="part last" style="padding-right: 15px;">-></div>
    <div class="bottom-button-line"></div>
</div>

CSS

.part
{
    display: inline-block;
}

.outer
{
    border:1px solid black;
    padding-bottom: 0px;
    padding-top: 5px;
}

.outer .part:first-child
{
    padding-left:15px;
}

.outer .part.last
{
    padding-right: 15px;
    margin-right: 15px;    
    background-color: red;
}

.bottom-button-line
{
    margin-top: 5px;
    height: 5px;
    background-color: blue;
}