.icon {
    width: 50px;
    height: 50px;
    background: #f1f1f1;
    line-height: 50px;
    text-align: center;
    font-size: 34px;
    float: left;
    border: solid 1px #ccc;
    margin:  0 10px 0 0;
    
  }
  .page-preloader {
    background: rgba(0, 0, 0, 0.4);
    position: fixed;
    left: 0;
    top: 0;
  }
  
  .page-preloader .spinner-border {
    width: 4rem; 
    height: 4rem;
   position: relative;
   left: calc(50% - 2rem);
   
  
  }
  .fixed-label {
    width: 120px;
  }
  .error-container {
    min-height: 100vh;
}
.error-code {
    font-size: 8rem;
    font-weight: 700;
    color: #dc3545;
}
.error-message {
    font-size: 1.5rem;
    color: #6c757d;
}
.input-group.role {
  display: none;
}
.ebook-popup,
.ebook-popup .ebook-view,
.ebook-popup .ebook-view iframe {
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  top: 0;
  background: #fff;
}

.ebook-popup .ebook-view iframe {
  height: calc(100% - 50px);
  top: 50px;
}

.ebook-view-header {
  height: 50px;
  background: #fff;

}

.ebook-view-header  h1 {
  margin: 0;
  padding:0 15px;
  float: left;
  line-height: 50px;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  
}

.ebook-view-header button {
  float: right;
  width: 50px;
  line-height: 50px;
  border: 0;
  padding: 0;
  cursor: pointer;
}

.page-preloader {
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  top: 0;
  display: none;
  
}

.page-preloader .spinner-border {
  width: 60px;
  height: 60px;
  background: url(../images/preloader.gif) center center  no-repeat #fff;
  padding: 10px;
  border-radius: 10px;
  position: fixed;
  left: 50%;
  top: 50%;
  margin: -40px 0 0 -40px;
}

.visually-hidden {
  display: none;
}

.ebook-icon {
  width: 200px;
  height: 160px;
  background: #fff;
  line-height: 160px;
  text-align: center;
  font-size: 140px;
}