#tablaProgramacion {
    border-collapse: collapse;
    width: 100%;
  }
  
  #tablaProgramacion th, #tablaProgramacion td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
  }
  
  #tablaProgramacion th {
    background-color: #4CAF50;
    color: white;
  }
  
  #tablaProgramacion th:first-child,
  #tablaProgramacion td:first-child {
    position: sticky;
    left: 0;
    /* z-index: 1; */
    background-color: #f2f2f2;
    border-right: 1px solid #ddd;
  }
  
  #tablaProgramacion th:first-child {
    border-bottom: 1px solid #ddd;
  }
  
  #tablaProgramacion td:first-child {
    border-right: 1px solid #ddd;
  }