.imageBox
{
    position: relative;
    height: 400px;
    width: 100%;
    border:1px solid #aaa;
    background: #fff;
    overflow: hidden;
    background-repeat: no-repeat;
    cursor:move;
}
.imageBox .spinner
{
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    text-align: center;
    line-height: 400px;
    background: rgba(0,0,0,0.7);
}
.imageBox .thumbBox {
  background: transparent none repeat scroll 0 0;
  border: 1px solid rgb(102, 102, 102);
  box-shadow: 0 0 0 1000px rgba(0, 0, 0, 0.5);
  box-sizing: border-box;
  margin: 0 auto;
  position: relative;
  top: 25%;
}