Modal dem0 (without js)

gistfile1.txt

<style>
  .campaign-modal {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: rgba(0,0,0,.35);
    z-index: 9998;
    overflow: hidden;
    -webkit-overflow-scrolling: touch;
    outline: 0;
    overflow-x: hidden;
    overflow-y: auto;
    opacity: 0;
    -webkit-transition: opacity .3s linear;
    -o-transition: opacity .3s linear;
    transition: opacity .3s linear;
  }
  .campaign-modal.active {
    display: block;
    opacity: 1;
  }
  .campaign-modal .inner {
    position: relative;
    height: 600px;    
    max-width: 800px;
    border: 1px solid #000000;
    background-color: #FFFFFF;
    margin: 30px auto;
  }
</style>

<div class="campaign-modal" id="buyPhoneModal" data-timeout="5000">
	<div class="inner">
      <span id="closeCampaignModal">Stäng</span>
  	</div>
</div>