center csss code example

Example 1: css align items vertical center

.parent {
  display: flex;
  justify-content: center;
  align-items: center;
}

Example 2: css center

/* this will center all children within the parent element. */
.parent {
  display: flex;
  justify-content: center; /* horizontal */
  align-items: center; /* vertical */
}

Example 3: mettre une image au milieu css

IMG.displayed {
    display: block;
    margin-left: auto;
    margin-right: auto }
 ...
<IMG class="displayed" src="..." alt="...">

Example 4: css center vertically

<style>
.container {
  height: 200px;
  position: relative;
  border: 3px solid green;
}

.center {
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}
</style>

<div class="container">
  <div class="center">
    <p>I am vertically and horizontally centered.</p>
  </div>
</div>

Example 5: centering horizontally

div.center{display:block;margin:auto;width:50%;}
p.center{text-align:center;}

Example 6: aligner et centrer element css html

<nav class="navigation">
          <div>
            <ul>
                <li class=item_1>FindThePrecious.com</li>
                <li class=item_2>Fellows</li>
                <li class=item_3>Contact us</li>
            </ul>
          </div>
        </nav>

.navigation{
  width: 100%;
  height: 1.8em;
  
}

li {
  display: inline;
  padding:5px;
  
}
////////////////////////////////////////////////////
 <section>
 <div class = "portrait">
          <img class="demo_portrait_1"
     src="https://via.placeholder.com/150" alt="portrait"> 
           <img class="demo_portrait_1"
     src="https://via.placeholder.com/150" alt="portrait_demo"> 
          <img class="demo_portrait_1"
     src="https://via.placeholder.com/150" alt="portrait_demo">
            </div>
</section>
                   //////// css///////////
.portrait{
text-align: center;
}

.demo_portrait_1{ 
  padding:10px;
  height: 400px;
  width: 400px;     
}