<style type="text/css">
.css_test {
text-align : center;
padding : 5px;
margin-bottom : 10px;
}
</style>
<div class="css_test" style="outline:black solid 2px;">outline : black solid 2px;</div>
<div class="css_test" style="outline:black dotted 2px;">outline : black dotted 2px;</div>
<div class="css_test" style="outline:red dotted 2px;">outline : red dotted 2px;</div>
<div class="css_test" style="outline:red dashed 2px;">outline : red dashed 2px;</div>