Edit in JSFiddle

<div id="rectangle-container">
    <div id="content">
        Can only click on the word "me"
        <div id="clickme">Click me</div>
    </div>
    <div id="rectangle"></div>
</div>

body {
    padding-top: 35px;
}
#rectangle-container {
    position: relative;
}
#rectangle {
    transform: perspective(800px) rotateY(-25deg);
    background: #333;
    height: 150px;
    position: absolute;
    top: 0;
    left: -85px;
    z-index: 0;
    width: 400px;
}
#content {
    position: relative;
    z-index: 1;
    padding: 10px;
    background: #7DC7FF;
    width: 330px;
}
#clickme {
    background: yellow;
    padding: 2px;
    cursor: pointer;
    display: inline-block;
    float: right;
}
#clickme:hover {
    background: orange;
}
#clickme:active {
    background: red;
}