Make more class like notice with font awesome

[elbaulp]

Make a few pre defined notices with, warning, info etc like

.notice {
    margin-top: 1.5em;
    padding: .5em 1em;
    text-indent: 0;
    @include font-rem(14);
    background-color: $body-color;
    border: 1px solid darken($body-color,20);
    @include rounded(3px);
}

.notice:before {
    font-family: FontAwesome;
  content: "\f129";
  display: inline-block;
  padding-right: 3px;
  vertical-align: middle;
    font-size: 2em;
}