#dlul-button {
    position: absolute;
    background: #000;
    top: 0;
    right: 0;
    left: 0;
    padding: 10px;
    display: none;
}

#close_button {
  float: right;
}

#ul-loader {
  text-align: center;
  display: none;
}

#dl-loader {
  text-align: center;
  display: none;
}

/* The Modal (background) */
 .modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
    z-index: 9999;
  }
  
  /* Modal Content/Box */
  .modal-content {
    background-color: #fefefe;
    margin: 15% auto; /* 15% from the top and centered */
    padding: 20px;
    border: 1px solid #888;
    width: 80%; /* Could be more or less, depending on screen size */
  }
  
  /* The Close Button */
  .close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
  }
  
  .close:hover,
  .close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
  } 

/* HTML: <div class="loader"></div> */
.loader {
  position: absolute;
  left: 50%;
  width: 40px;
  padding: 8px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #000000;
  --_m: 
    conic-gradient(#0000 10%,#000),
    linear-gradient(#000 0 0) content-box;
  -webkit-mask: var(--_m);
          mask: var(--_m);
  -webkit-mask-composite: source-out;
          mask-composite: subtract;
  animation: l3 1s infinite linear;
}
@keyframes l3 {to{transform: rotate(1turn)}}