cubey alerts

css.css

@import url("https://fonts.googleapis.com/css?family=Oswald:400,700");
@import url("https://fonts.googleapis.com/css?family=Roboto Mono:400,400i,700");
#notification {
  position: relative;
  font-family: Oswald;
  font-size: 20px;
  margin: 100px;
  display: inline-block;
  overflow: hidden;
  width: auto;
  box-shadow: 110px 0 0 rgba(0,0,0,0.333) inset;
  box-sizing: border-box;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border-radius: 15px;
  text-transform: uppercase;
}
#notification #wrapper {
  padding: 20px;
  padding-left: 140px;
  padding-right: 20px;
  width: 300px;
}
#notification header {
  font-size: 24px;
  width: auto;
  font-weight: bold;
}
#notification #alert-image {
  width: 70px;
  height: 70px;
  position: absolute;
  top: 50%;
  margin-top: -35px;
  left: 20px;
  border-radius: 10px;
}

#alert-message, #alert-user-message {
  font-family: inherit !important;
  font-weight: default;
  font-size: inherit;
}

html.html

<div id="notification">
<div id="alert-image-wrap">
  <div id="alert-image">{img}</div>
</div>
  <div id="wrapper">
    <header id="alert-message">{messageTemplate}</header>
    <main id="alert-user-message">{userMessage}</main>
  </div>
</div>