<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<blockquote class="wp-block-quote"><p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. </p><cite>Tim Heiler</cite></blockquote>
<blockquote class="wp-block-quote"><p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. </p><cite>Tim Heiler</cite></blockquote>
<blockquote class="wp-block-quote"><p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. </p><cite>Tim Heiler</cite></blockquote>
blockquote {
position: relative;
text-align: left;
padding: 1.2em 0 2em 38px;
border: none;
margin: 20px auto 20px;
max-width: 800px;
width:100%;
display: block;
}
blockquote:after {
content: "";
display: block;
width: 2px;
height: 100%;
position: absolute;
left: 0;
color: #66cc66;
top: 0;
background: -moz-linear-gradient(top,#66cc66 0%,#66cc66 60%,rgba(255,255,255,0) 100%);
background: -webkit-linear-gradient(top,#66cc66 0%,#66cc66 60%,rgba(255,255,255,0) 100%);
/* background: linear-gradient(to bottom,#66cc66 0%,#66cc66 60%,rgba(255,255,255,0) 100%); */
}
blockquote:before {
content:"\f10d";
font-family: "fontawesome";
font-size: 20px;
display: block;
margin-bottom: 0.8em;
font-weight: 400;
color: #66cc66;
}
blockquote > cite,
blockquote > p > cite {
display: block;
font-size: 16px;
line-height: 1.3em;
font-weight: 700;
font-style: normal;
margin-top: 1.1em;
letter-spacing: 0;
font-style:italic;
}
