JSFiddle - React, Tailwind, and code Playground

HTML

<div id="boxen">
    <div class="box">
        <h3>Product titel</h3>
        <ul>
            <li><span>Veronique</span> €71,95</li>
            <li><span>Branquinho</span> incl.</li>
            <li><span>Balconet BH</span> BTW</li>
        </ul>
        
        <b>Verkrijgbaar in:</b>
        <ul>
            <li>Color row 1</li>
        </ul>
        <div class="footer"><a href="#">Plaats in winkelmand</a></div>
    </div>
    <div class="space"></div>
    <div class="box">
        <h3>Product titel</h3>
        <ul>
            <li><span>Veronique</span> €71,95</li>
            <li><span>Branquinho</span> incl.</li>
            <li><span>Balconet BH</span> BTW</li>
        </ul>
        
        <b>Verkrijgbaar in:</b>
        <ul>
            <li>Color row 1</li>
            <li>Color row 2</li>
        </ul>
        <div class="footer"><a href="#">Plaats in winkelmand</a></div>
    </div>
    <div class="space"></div>
    <div class="box">
        <h3>Product titel</h3>
        <ul>
            <li><span>Veronique</span> €71,95</li>
            <li><span>Branquinho</span> incl.</li>
            <li><span>Balconet BH</span> BTW</li>
        </ul>
        
        <b>Verkrijgbaar in:</b>
        <ul>
            <li>Color row 1</li>
            <li>Color row 2</li>
            <li>Color row 3</li>
            <li>Color row 4</li>
            <li>Color row 5</li>
            <li>Color row 6</li>
        </ul>
        <div class="footer"><a href="#">Plaats in winkelmand</a></div>
    </div>
    <div class="space"></div>
    <div class="box">
        <h3>Product titel</h3>
        <ul>
            <li><span>Veronique</span> €71,95</li>
            <li><span>Branquinho</span> incl.</li>
            <li><span>Balconet BH</span> BTW</li>
        </ul>
        
        <b>Verkrijgbaar in:</b>
        <ul>
            <li>Color row 1</li>
            <li>Color row 2</li>
            <li>Color row 3</li>
        </ul>
        <div class="footer"><a href="#">Plaats...

CSS

#boxen {
    margin : 20px auto;
    width : 980px;
}

#boxen .box {
    display : table-cell;
    position : relative;
    background : #F5F5F5;
    border : 1px solid #CCCCCC;
    padding : 15px 15px 30px;
    font : 12px/18px Arial;
    width : 230px;
}

#boxen .box ul {
    margin : 10px 0;
    padding : 0;
    list-style : none;
}

#boxen .box ul li{
    display : block;
    padding : 2px 0;
}

#boxen .box ul li span {
    display : inline-block;
    width : 150px;
}

#boxen .box h3 {
    margin : 0;
    padding : 0;
    font-weight : bold;
}

#boxen .box p {
    margin : 0;
    padding : 10px 0;
}

#boxen .box .footer {
    position : absolute;
    left : 0;
    bottom : 0;
    border-top : 1px solid #CCCCCC;
    background : #CCCCCC;
    width :100%;
}

#boxen .box .footer a {
    display : inline-block;
    padding : 5px 15px;
    color : #1c1c1c;
    text-decoration : none;
}

#boxen .space {
    display : table-cell;
    width : 20px;
}