.vertical-center {
  margin: 0;
  position: absolute;
  top: 50%;
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}

    .divWaiting{
     font-family: 'Tajawal';
position:fixed;
background-color: #16171d;
z-index: 2147483647 !important;
opacity: 0.8;
overflow: hidden;
text-align: center; top: 0; left: 0;
height: 100%;
width: 100%;
padding-top:15%;
} 

    .loader {
  font-size: 90px;
  text-indent: -9999em;
  overflow: hidden;
  width: 1em;
  height: 1em;
  border-radius: 50%;
  margin: 0.8em auto;
  position: relative;
  -webkit-animation: load6 1.7s infinite ease;
  animation: load6 1.7s infinite ease;
}