Edit in JSFiddle

<div class="highlight1">

    Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam luctus consectetur dolor a porttitor. Curabitur id sem sed ante fringilla pulvinar et id lectus. Nullam justo ipsum, hendrerit ut commodo nec, pellentesque nec erat. Pellentesque pharetra.

</div>

.highlight1 {
  background: #ebf0f1;
  border: 2px dashed #0B85A1;
  color: #92AAB0;
  padding: 10px 10px 10px 70px;
  margin: 30px auto 10px auto;
  width: 96%;
}
.highlight1::before {
    content: '༓';
    background:#CD4B5B;
    display: -moz-inline-box;
    -moz-box-orient: vertical;
    display: inline-block;
    vertical-align: middle;
    text-align: center;
    width: 50px;
    position: absolute;
    padding: 5px;
    top: 35px;
    left: -20px;
    color: white;
}