boxy.html

<div>text</div>
<div>text</div>
<div>text</div>

style.css

div  {

width: 100px;
height: 200px;
background: gray;
float: left;
border: 1px solid white;
color: gray;  
 
}

div:hover
{
    
    background-color: red;
    box-shadow: 0 0 10px #EEEEEE;
    margin: -10px -10px -10px -10px;
    padding: 10px;
    position: relative;
    color: white;
    
    
}