/* image viewer style */
.imgtable1 {
    font-size: medium;
    margin-top: 3em;
    margin-bottom: 0.5em;
}

.imgtable1 tr td:first-child{
    font-weight: 700;
    text-align: right;
    /*padding-right: 1em;*/
    padding-top: 0.25em;
    width: 50%;
}

.imgtable1 tr td:last-child {
    text-align: left;
    padding-left: 1em;
    padding-top: 0.25em;
    width: 50%;
}

.imgtable2 {
    font-size: medium;
    margin-top: 0.5em;
    margin-bottom: 0.5em;
}

.imgtable2 tr td:first-child{
    font-weight: 700;
    text-align: right;
    /*padding-right: 1em;*/
    padding-top: 0.25em;
    width: 50%;
}

.imgtable2 tr td:last-child {
    text-align: left;
    padding-left: 1em;
    padding-top: 0.25em;
    width: 50%;
}
.imgtable_title {
    font-size: 1.2em;
    text-align: center;
    padding-left: 1em;
    padding-top: 0.25em;
    padding-bottom: 0.25em;
    background: radial-gradient(circle, #e6e6e6, #c7c7c7);
}
/* .nav-tabs {
    border-bottom: 1px solid #ddd;
  }
.nav {
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
  }

  ol, ul {
    margin-top: 0;
    margin-bottom: 10px;
  }

  .nav-tabs > li {
    float: left;
    margin-bottom: -1px;
  }
  .nav > li {
    position: relative;
    display: block;
  }

  .nav-tabs > li > a {
    margin-right: 2px;
    line-height: 1.42857143;
    border: 1px solid transparent;
    border-radius: 4px 4px 0 0;
  }
  .nav > li > a {
    position: relative;
    display: block;
    padding: 10px 15px;
  }

  .nav-tabs > li.active > a {
    color: #007bff !important;
  }
  .nav-tabs > li.active > a, .nav-tabs > li.active > a:focus, .nav-tabs > li.active > a:hover {
    color: #555;
    cursor: default;
    background-color: #fff;
    border: 1px solid #ddd;
      border-bottom-color: rgb(221, 221, 221);
    border-bottom-color: transparent;
  } */

  .nav>li>a>img {
    max-width:none
   }
   .nav-tabs {
    border-bottom:1px solid #ddd
   }
   .nav-tabs>li {
    float:left;
    margin-bottom:-1px
   }
   .nav-tabs>li>a {
    margin-right:2px;
    line-height:1.42857143;
    border:1px solid transparent;
    border-radius:4px 4px 0 0
   }
   .nav-tabs>li>a:hover {
    border-color:#eee #eee #ddd
   }
   .nav-tabs>li.active>a,
   .nav-tabs>li.active>a:focus,
   .nav-tabs>li.active>a:hover {
    color:#555;
    cursor:default;
    background-color:#fff;
    border:1px solid #ddd;
    border-bottom-color:transparent
   }
   .nav>li>a {
    position:relative;
    display:block;
    padding:10px 15px;
   }

   /* loading spinner */
  /* .loading { 
     z-index: 20;
    position: relative;
    top: 0;
    left:-5px;
    width: 100%;
    height: 100%;
      background-color: rgba(0,0,0,0.4); 
   }  */
  .loading-content {
    content: '';
    box-sizing: border-box;
    position: relative;
    /* top: 72rem; */
    left: 50%;
    width: 20px;
    height: 20px;
    margin-top: -10px;
    margin-left: -10px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: #07d;
    border-bottom-color: #07d;
    animation: spinner .8s ease infinite;
    }
    
    @keyframes spinner  {
      to {transform: rotate(360deg);}
    }

    .loading {
      opacity: 0;
    }

    .space{
      margin-top:18rem;
    }