Triangle Tip on Content Block

by mmansion

HTML

<br />
<div class="container">
Test Container
</div>

CSS

.container {
    margin-left: 15px;
    width: 200px;
    background: #ffc;
    border: 2px solid green;
    padding: 4px;
    position: relative;
    min-height: 200px;
}

.container:after {
content: '';
display: block;
position: absolute;
top: -30px;
left: 10px;
width: 0;
height: 0;
border-color: transparent transparent #ffc transparent;
border-style: solid;
border-width: 15px;
}

.container:before {
content: '';
display: block;
position: absolute;
top: -36px;
left: 7px;
width: 0;
height: 0;
border-color: transparent transparent green transparent;
border-style: solid;
border-width: 18px;
}