<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
body {
background: #c2c2c2;
font-size: 90%;
}
div {
background: #fff;
width: 240px;
height: 200px;
margin: 15px;
color: #fff;
resize: vertical;
overflow: auto;
padding: 20px;
}
.ghost-center {
position: relative;
}
.ghost-center::before {
content: " ";
display: inline-block;
height: 100%;
width: 1%;
vertical-align: middle;
}
.ghost-center p {
display: inline-block;
vertical-align: middle;
width: 190px;
margin: 0;
padding: 10px;
background: #83d483;