CSS Property: justify-self: center

The center value aligns the element to the center of the cell on the horizontal axis. It is used for perfectly centered alignment.

EXAMPLE

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>justify-self: center</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">

    <style>
        * {
            box-sizing: border-box;
        }

        /* grid container */
        .grid-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr); /* 4 equal columns */
            gap: 10px;
            width: 100%; /* grid width */
            margin: 20px auto; /* center the grid */
            color: #333333; /* text color */
        }

        /* child elements */
        .grid-item {
            justify-self: center; /* horizontally center the child */
            aspect-ratio: 3 / 2; /* aspect ratio */
            height: auto; /* height is determined by aspect ratio */
            border: 1px solid black;
            font-size: 1rem;
            font-family: Arial, sans-serif;
            text-align: center; /* center content inside grid child */
            padding: 10px;
        }

        /* specific colors and widths for each grid item */
        .a {
            background: greenyellow;
            width: 25%;
        }

        .b {
            background: orange;
            width: 50%;
        }

        .c {
            background: pink;
            width: 75%;
        }

        .d {
            background: lightblue;
            width: 100%;
        }
    </style>
</head>
<body>
    <div class="grid-container">
        <div class="grid-item a">green yellow</div>
        <div class="grid-item b">orange</div>
        <div class="grid-item c">pink</div>
        <div class="grid-item d">light blue</div>
    </div>
</body>
</html>

RESULT