CSS Popup

Simple :target trick

by vovkasolovev

HTML

<a href="#popup">Нажать</a>
<div id="popup">
<div class="window">
<a href="#" class="close-button" title="Закрыть">×</a>
+7 945 555–12–34
</div>
</div>

CSS

#popup {
width: 100%;
height: 100%;
position: fixed;
background: rgba(0,0,0,.7);
top: 0;
left: 0;
z-index: 9999;
visibility: hidden;
}

.window {
height: 9vw;
width: 60vw;
background: #fff;
position: relative;
padding: 10px;
box-shadow: 0 0 5px rgba(0,0,0,.4);
text-align: center;
margin: 15% auto;
font-size: 7vw;

}

.close-button {
    width: 40px;
    height: 40px;
    background: #fff;
    border-radius: 50%;
    border: 3px solid #fff;
    display: block;
    text-align: center;
    color: #000;
    text-decoration: none;
    position: absolute;
    top: -10px;
    font-size: 50px;
    line-height: 35px;
    right: -10px;
}

#popup:target {
visibility: visible;
}