.v-center {
  height: 100vh;
  width: 100%;
  display: table;
  position: relative;
  text-align: center;
}

.v-center > div {
  display: table-cell;
  vertical-align: middle;
  position: relative;
  top: -10%;
}

.btn {
  font-size: 3vmin;
  padding: 0.75em 1.5em;
  background-color: #fff;
  border: 1px solid #bbb;
  color: #333;
  text-decoration: none;
  display: inline;
  border-radius: 4px;
  -webkit-transition: background-color 1s ease;
  -moz-transition: background-color 1s ease;
  transition: background-color 1s ease;
}

.btn:hover {
  background-color: #ddd;
  -webkit-transition: background-color 1s ease;
  -moz-transition: background-color 1s ease;
  transition: background-color 1s ease;
}

.btn-small {
  padding: .75em 1em;
  font-size: 0.8em;
}

.modal-box {
  display: none;
  position: fixed;
  z-index: 1000;
  width: 98%;
  background: white;
  border-bottom: 1px solid #aaa;
  border-radius: 4px;
  box-shadow: 0 3px 9px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(0, 0, 0, 0.1);
  background-clip: padding-box; height: 500px;
}
.modal-box, .modal-box header, .modal-box .modal-header{ max-width: 600px; overflow-x: hidden;}
@media (min-width: 32em) {

.modal-box { width: 50%; }
}

.modal-box header,
.modal-box .modal-header {
}

.modal-box header h3,
.modal-box header h4,
.modal-box .modal-header h3,
.modal-box .modal-header h4 { margin: 0; }

.modal-box .modal-body { padding: 2em 1em; max-height: 494px; }

.modal-box footer,
.modal-box .modal-footer {
  padding: 1em;
  border-top: 1px solid #ddd;
  background: rgba(0, 0, 0, 0.02);
  text-align: right;
}
#diamond_dtails .detailHeading{text-align: left; padding-bottom: 10px;}
.modal-overlay {
  opacity: 0;
  filter: alpha(opacity=0);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 900;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3) !important;
}
.wait_data{font-style: italic; color: green; font-size: 18px;}

a.close {
  line-height: 1;
  font-size: 1.5em;
  position: absolute; z-index: 999;
  top: 2%;
  right: 5%;
  text-decoration: none;
  color: #bbb;
}

a.close:hover {
  color: #222;
  -webkit-transition: color 1s ease;
  -moz-transition: color 1s ease;
  transition: color 1s ease;
}