.atto-code pre {
  background-color: #F6F8FA;
  border-left: 5px solid #606670;
  padding:0; margin:.5em auto;
  white-space:pre;
  word-wrap:break-word;
  overflow:auto;
  position:relative;
  width:100%;
  -moz-tab-size:2;
  -o-tab-size:2;
  tab-size:2;
  word-break:normal;
  user-select:text;
  -webkit-user-select:text;
  -moz-user-select:text;
  -ms-user-select:text;
  user-select:text;
  -webkit-hyphens:none; 
  -ms-hyphens:none;
  hyphens:none
}
.atto-code pre code {
  color: #252525;
  font-size: 12px;
  max-height:300px;
  line-height:1.5em;
  display:block;
  background:none;
  border:none;
  padding:10px 15px;
  font-family:'source code pro',menlo,consolas,monaco,monospace;
  white-space:pre;
  overflow:auto;
  user-select:text; -webkit-user-select:text; -moz-user-select:text; -ms-user-select:text; user-select:text
}

samp {
  background-color: #F3F4F4;
  padding:0; margin:.5em auto;
  white-space:pre;
  word-wrap:break-word;
}