.block-custom-simple-alert {
  position: relative;
  overflow: hidden;
  /*  Not using jQuery features so remove the following style
  display: none;*/
}
.block-custom-simple-alert div.content {
  position: relative;
}
.simple-alert-label {
  margin-right: .4em;
}
.simple-alert-msg {
  margin-right: 0.75em;
}
span.simple-alert-close {
  display: block;
  float: right;
  cursor: pointer;
  margin-left: 1em;
}