Edit in JSFiddle

<pre class='mudwnm-box' >  background-attachment: scroll;
  background-color: #ecf0f1;
  background-image: none;
  background-position: 0% 0%;
  border-right-color: rgb(245, 59, 59);
  border-right-style: solid;
  border-width: 0px 10px 0px 0px;
  font-stretch: inherit;
  font-style: inherit;
  font-variant: inherit;
  margin: 0px;
  outline: 0px;
  overflow: hidden;
  padding: 7px 17px 7px 7px;
  vertical-align: baseline;</pre>

.mudwnm-box {
      background-attachment: scroll;
  background-color: #ecf0f1;
  background-image: none;
  background-position: 0% 0%;
  border-right-color: rgb(245, 59, 59);
  border-right-style: solid;
  border-width: 0px 10px 0px 0px;
  font-stretch: inherit;
  font-style: inherit;
  font-variant: inherit;
  margin: 0px;
  outline: 0px;
  overflow: hidden;
  padding: 7px 17px 7px 7px;
  vertical-align: baseline;
}