ctrl-alt-del-world/midway

pre {
  border-radius: 5px; 
  -moz-border-radius: 5px; 
  -webkit-border-radius: 5px;
  border: 1px solid #BCBEC0;
  background: #F1F3F5;
  font:12px Monaco,Consolas,"Andale  Mono","DejaVu Sans Mono",monospace
}

code {
  border-radius: 5px; 
  -moz-border-radius: 5px; 
  -webkit-border-radius: 5px; 
  border: 1px solid #BCBEC0;
  padding: 2px;
  font:12px Monaco,Consolas,"Andale  Mono","DejaVu Sans Mono",monospace
}

pre code {
  border-radius: 0px; 
  -moz-border-radius: 0px; 
  -webkit-border-radius: 0px; 
  border: 0px;
  padding: 2px;
  font:12px Monaco,Consolas,"Andale  Mono","DejaVu Sans Mono",monospace
}

.tick {
  color: red;
  background-color: #f4f4f4;
  position: relative;
  &:before {
    position: absolute;
    height: 100%;
    width: calc(100% + 6px);
    left: -3px;
    border: 1px solid red;
    opacity: 0.3;
    content: '';
  }
}