.alert {
  padding: 20px;
  background-color: #ffffcc;
  color: black;
  border-style:solid;
  border-width:1px;
  border-color:gray
}

.closebtn {
  margin-left: 15px;
  color: gray;
  font-weight: bold;
  float: right;
  font-size: 22px;
  line-height: 20px;
  cursor: pointer;
  transition: 0.3s;
}

.closebtn:hover {
  color: black;
}



        /*<div id="Alert" class="alert">
            This is a very importand piece of information with <a href="http://www.google.com" target="_blank">Link</a>.
            <span id="Close" class="closebtn" onclick="this.parentElement.style.display='none';">&times;</span>
        </div>*/