CSS

css center

display: flex;
align-items: center;
justify-content: center;

/* order: vertical, horizontal */
/* If you need to access this quickly, just search for "fc" */

aligne center css

.container {
  font-family: arial;
  font-size: 24px;
  margin: 25px;
  width: 350px;
  height: 200px;
  outline: dashed 1px black;
  /* Center child horizontally*/
  display: flex;
  justify-content: center;
}

.child {
  width: 50px;
  height: 50px;
  background-color: red;
}

css center

// example 1 
div { display: grid; place-items: center; }

// example 3
div{ display:flex; align-items:center; }

// example 3
div { width: 100%; margin: 0 auto; }

css center alignment

.center {
  text-align: center;
  border: 3px solid green;
}

css center

/* the simple solution*/
table {
	text-align: center;
}

css align center

.center {
  margin: auto;
  width: 50%;
  border: 3px solid green;
  padding: 10px;
}

aligne center css

.container {
  font-family: arial;
  font-size: 24px;
  margin: 25px;
  width: 350px;
  height: 200px;
  outline: dashed 1px black;
  /* Center child horizontally*/
  display: flex;
  justify-content: center;
}

.child {
  width: 50px;
  height: 50px;
  background-color: red;
}