table {
      border-collapse: collapse;
      width: 100%;
    }

    .table-custom.col-2 { 
      display: inline-flex;
      margin-bottom: 5px;
    }

    .table-custom th {
      text-align: center !important;
      font-size: 14px;
    }
    .table-custom td {
      text-align: center !important;
      font-size: 12px;
    }

    .table-custom td, .table-custom th {
      border: solid 1px #ddd; 
      display: table-cell;
      padding: 5px;
    }
    .container_calendar{
      display: flex;
      padding: 5px 0px 30px 0px;
    }
    #cont_calendar{
      transition: height 1s ;
    }

    .question_mark{
      height: 15px;
      width: 15px;
      display: inline-block; 
    }
      .question_mark .icon{
        height: 15px;
        width: 15px;
        background: #ffc700; 
        border-radius: 50%;
        color: #fffa02;
        font-weight: bold;
        font-size: 10px;
        text-align: center;
      }
        .question_mark .icon:hover{
          cursor: pointer;
        }
      .question_mark .text{
        position: absolute;
        display: none;
        padding: 15px;
        bottom: 100%;
        z-index: 1000;
        text-align: justify;
        background: #fff;
        min-width: 200px;
        max-width: 250px;
        min-height: 100px;
        border-radius: 3px;
        border: solid 1px #ddd;
        opacity: 0;
        transition: opacity 1s;
        box-shadow: 0px 0px 1px 1px #ddd;
      } 
        .question_mark .icon:hover + .text{
          opacity: 1;
          display: block;
        }