The CSS Display property with value block renders an element with parent’s full width available, it also forces a line break. An element with display as block renders as a <div> or <p> element.
Syntax
Following is the syntax of CSS display block −
Selector {
display: block;
}Example
Let’s see an example of CSS display block −
<!DOCTYPE html>
<html>
<head>
<title>CSS Display Block</title>
<style>
form {
width:70%;
margin: 0 auto;
text-align: center;
}
* {
padding: 2px;
margin:5px;
}
input[type="button"] {
border-radius: 10px;
}
em{
background-color: #C303C3;
color: #fff;
display:block;
}
</style>
</head>
<body>
<form>
<fieldset>
<legend>CSS-Display-Block</legend>
<label for="textSelect">Formatter: </label>
<input id="textSelect" type="text" placeholder="John Doe">
<input type="button" onclick="convertItalic()" value="Check">
<div id="divDisplay"></div>
</fieldset>
</form>
<script>
var divDisplay = document.getElementById("divDisplay");
var textSelect = document.getElementById("textSelect");
function convertItalic() {
for(i=0; i<2; i++){
var italicObject = document.createElement("EM");
var italicText = document.createTextNode(textSelect.value);
italicObject.appendChild(italicText);
divDisplay.appendChild(italicObject);
}
}
</script>
</body>
</html>Output
This will produce the following output −
Before clicking ‘Check’ button −

After clicking ‘Check’ button −

Example
Let’s see another example of CSS Display block −
<!DOCTYPE html>
<html>
<head>
<style>
#flex {
display: flex;
}
#none {
display: none;
}
.inline-block {
display: inline-block;
background-color: mintcream;
}
.grid {
display: grid;
background-color: cornflowerblue;
}
div {
margin: 30px;
padding: 5px;
height: 10px;
line-height: 5px;
text-align: center;
background-color: lightblue;
border: 2px solid black;
}
div > div {
background-color: lightpink;
border: 2px solid green;
}
div > div > div {
background-color: sandybrown;
border: 2px solid darkred;
}
</style>
</head>
<body>
<div><span id="flex">heyyy</span>
<div><span id="none">heyyy</span>
<div>
<span class="inline-block">heyyy</span>
<span class="inline-block">heyyy</span>
<div>
<span class="grid">heyyy demo</span>
<span class="grid">heyyy demo</span>
</div>
</div>
</div>
</div>
</body>
</html>Output
This will produce the following output −
