/*Legend-specific*/
.legend {
    padding: 6px 8px;
    font: 14px Arial, Helvetica, sans-serif;
    background: white;
    background: rgba(255, 255, 255, 0.8);
    /*box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);*/
    /*border-radius: 5px;*/
    line-height: 24px;
    color: #555;
  }
  .legend h4 {
    text-align: center;
    font-size: 16px;
    margin: 2px 12px 8px;
    color: #777;
  }
  
  .legend span {
    position: relative;
    bottom: 3px;
  }
  
  .legend i {
    width: 18px;
    height: 18px;
    float: left;
    margin: 0 8px 0 0;
    opacity: 0.7;
  }
  
  .legend i.icon {
    background-size: 18px;
    background-color: rgba(255, 255, 255, 1);
  }
  /* End Legend-specific */

  .scroll button {
    width: 35px;
    height: 35px;
    border: 2px solid grey;
    background-color: white;
    color: black;
    border-radius: 5px;
    font-size: 14px;
  }

.btn-disabled {
    background: #95a5a6;
    color: #7f8c8d;
    cursor: not-allowed;
    position: relative;
}

.btn-disabled::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        45deg, 
        transparent 47%, 
        #e74c3c 47%, 
        #e74c3c 53%, 
        transparent 53%
    );
    pointer-events: none;
}