<!-- alert image -->
<div id="alert-image-wrap">
  <div id="alert-image">{img}</div>
</div>

<!-- main alert box window -->
<div id="alert-text-wrap">

  <!-- alert text -->
  <div id="alert-text">

    <!-- alert message -->
    <!-- messageTemplate will be replaced with your message template -->
    <!-- for example : {name} is now following! or {name} donated {amount} -->

    <div id="alert-message">{messageTemplate}</div>
    <div id="alert-user-message">{userMessage}</div>

  </div>

</div>

.widget-AlertBox {
    position: relative;
}
body,
html {
    height: 100%;
    width: 100%;
    overflow: hidden;
}
#wrap {
    position: relative;
    height: 100%;
    width: 100%;
}
#alert-box {
    height: 100%;
    width: 100%;
    position: absolute;
}
#alert-box.hidden,
.hidden {
    opacity: 0;
}
#alert-text {
    padding: 20px;
}
#alert-message,
#alert-user-message {
    text-align: center;
}
#alert-user-message img {
    vertical-align: middle;
    height: 1em;
}
#alert-image {
    position: relative;
}
#alert-image video {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}
#alert-message > span > span {
    display: inline-block;
}
#alert-image {
    z-index: 6;
    position: relative;
}
#alert-text {
    z-index: 6;
    position: relative;
}
#alert-text-wrap {
    z-index: 6;
    position: relative;
}