.pb_list_images_box{overflow: hidden;}
.pb_list_images_box ul{list-style-type: none;}
.pb_list_images_box ul li{float:left;margin: 5px;}
.pb_list_images_box ul li img{width:50px;height:50px;}
#poststuff h2.hndle.ui-sortable-handle{color:#000000;}

#message-pb{display: none;}

.loader-bg.is-active{
    background-color: gray;
    width: 100%;
    height: 800px;
    display: block;
    overflow: hidden;
    opacity: 0.5;
    position: absolute;
    max-width: 100%;
    margin: 0px;
    padding: 0;
}

.loader-pb.is-active {
    border: 16px solid #f3f3f3;
    border-radius: 50%;
    border-top: 16px solid #3498db;
    border-bottom: 16px solid #3498db;
    width: 120px;
    height: 120px;
    -webkit-animation: spin 2s linear infinite; /* Safari */
    animation: spin 2s linear infinite;

    position: absolute;
    display: block;
    margin: 0 auto;
    left: 50%;
    top: 50%;
    right: 50%;

  }
  
  /* Safari */
  @-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }