ContentEditable placeholder

gistfile1.html

// http://stackoverflow.com/a/18368720
// http://codepen.io/mrmoje/pen/lkLez

// HTML

<div contentEditable=true data-placeholder="My Placeholder String"></div>


// CSS

[contentEditable=true]{
    border:1px solid grey;  
}

[contentEditable=true]:empty:not(:focus):before{
    content:attr(data-placeholder);
    color:grey;
    font-style:italic;
}