.bibtex-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 999;
    overflow: auto;
    text-align: left;
  }
  
  .bibtex-popup.active {
    display: block;
  }
  
  .bibtex-popup pre {
    margin: 20px auto;
    padding: 20px;
    max-width: 80%;
    background-color: #fff;
    border: 1px solid #ccc;
    white-space: pre-wrap;
    word-wrap: break-word;
  }
  
  .bibtex-popup button {
    display: block;
    margin: 20px auto;
  }

  .bibtex-font {
    font-family: "Courier New", Courier, monospace;
  }


.bibtex-div {
  z-index: 10;
  overflow: hidden;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.bibtex-btn {
  margin-right: auto;
  padding: 0px 10px;
  background-color: #edf0f3;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}