How can I make this button align perfectly center on both PC and Mobile as a container? I have attempted the following CSS and HTML code:
<section id="jour">
<div class="container">
<button class="btn1">Jeudi 12</button>
<button class="btn1">Dimanche 13</button>
<button class="btn1">Jeudi 12</button>
<button class="btn1">Dimanche 13</button>
<button class="btn1">Jeudi 12</button>
</div>
</section>