<div class="info-msg">
  <i class="fa fa-info-circle"></i>
  This is an info message.
</div>

<div class="success-msg">
  <i class="fa fa-check"></i>
  This is a success message.
</div>

<div class="warning-msg">
  <i class="fa fa-warning"></i>
  This is a warning message.
</div>

<div class="error-msg">
  <i class="fa fa-times-circle"></i>
  This is a error message.
</div>
@import url('//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css');

.info-msg,
.success-msg,
.warning-msg,
.error-msg {
  margin: 10px 0;
  padding: 10px;
  border-radius: 3px 3px 3px 3px;
}
.info-msg {
  color: #059;
  background-color: #BEF;
}
.success-msg {
  color: #270;
  background-color: #DFF2BF;
}
.warning-msg {
  color: #9F6000;
  background-color: #FEEFB3;
}
.error-msg {
  color: #D8000C;
  background-color: #FFBABA;
}

/* Just for CodePen styling - don't include if you copy paste */
html {
  font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif; 
  font-weight: 300;
  margin: 25px;
}
body {
  width: 640px;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.