![html](https://habrastorage.org/r/w120/webt/5a/6c/29/5a6c29308ac8a661581550.png)
HTML
16
Вклад в тег
.center {
position:absolute;
top:50%;
left:50%;
-ms-transform: translate(-50%, -50%);
-webkit-transform: translate(-50%, -50%);
-moz-transform: translate(-50%, -50%);
transform: translate(-50%, -50%);
}
$(document).keydown(function (e) {
if (e.keyCode == 112) {
alert('blalba');
}
});