.blocker {
    position: fixed;
    top: 0; right: 0; bottom: 0; left: 0;
    width: 100%; height: 100%;
    overflow: auto;
    z-index: 999999;
    padding: 20px;
    box-sizing: border-box;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0,.32);
    text-align: center;
}
.blocker:before{
    content: "";
    display: inline-block;
    height: 100%;
    vertical-align: middle;
    margin-right: -0.05em;
}
.blocker.behind {
    background-color: transparent;
}
.modal {
    display: none;
    vertical-align: middle;
    position: relative;
    z-index: 2;
    max-width: 500px;
    box-sizing: border-box;
    width: 90%;
    background: #fff;
    padding: 15px 30px;
    /*  -webkit-border-radius: 8px;
      -moz-border-radius: 8px;
      -o-border-radius: 8px;
      -ms-border-radius: 8px;
      border-radius: 8px;
      -webkit-box-shadow: 0 0 10px #000;
      -moz-box-shadow: 0 0 10px #000;
      -o-box-shadow: 0 0 10px #000;
      -ms-box-shadow: 0 0 10px #000;
      box-shadow: 0 0 10px #000;*/
    box-shadow: 0 11px 15px -7px rgba(0,0,0,.2), 0 24px 38px 3px rgba(0,0,0,.14), 0 9px 46px 8px rgba(0,0,0,.12);
    text-align: left;
}