BEGENING OF CSS - TABLE WITH SCROLLBAR AND FIXED HEADER POSITION

by Pritom K Mondal

HTML

<div class="fixed-table-container">
      <div class="header-background"> </div>
      <div class="fixed-table-container-inner">
        <table cellspacing="0">
          <thead>
            <tr>
              <th class="first">
                <div class="th-inner">First</div>
              </th>
              <th>
                <div class="th-inner">Second</div>
              </th>
              <th>
                <div class="th-inner">Third</div>
              </th>
              <th>
                <div class="th-inner">Fourth</div>
              </th>
            </tr>
          </thead>
          <tbody>
            <tr>
              <td>First</td>
              <td>First</td>
              <td>First</td>
              <td>First</td>
            </tr>
            <tr>
              <td>First</td>
              <td>Second</td>
              <td>Third</td>
              <td>Fourth</td>
            </tr>
            <tr>
              <td>First</td>
              <td>Second</td>
              <td>Third</td>
              <td>Fourth</td>
            </tr>
            <tr>
              <td>First</td>
              <td>Second</td>
              <td>Third</td>
              <td>Fourth</td>
            </tr>
            <tr>
              <td>First</td>
              <td>Second</td>
              <td>Third</td>
              <td>Fourth</td>
            </tr>
            <tr>
              <td>First</td>
              <td>Second</td>
              <td>Third</td>
              <td>Fourth</td>
            </tr>
            <tr>
              <td>First</td>
              <td>Second</td>
              <td>Third</td>
              <td>Fourth</td>
            </tr>
            <tr>
              <td>First</td>
              <td>Second</td>
              <td>Third</td>
              <td>Fourth</td>
            </tr>
            <tr>
              <td>First</td>
              <td>Second</td>
              <td>Third</td>
              <td>Fourth</td>
           ...

CSS

.fixed-table-container {
    width: 70%;
    height: 200px;
    border: 1px solid black;
    margin: 10px auto;
    background-color: white;
    position: relative;
    padding-top: 30px;
}
.fixed-table-container .header-background {
    background-color: #D5ECFF;
    height: 30px;
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    border-bottom: 1px solid black;
}
.fixed-table-container .fixed-table-container-inner {
    overflow-x: hidden;
    overflow-y: auto;
    height: 100%;
}
.fixed-table-container table {
    background-color: white;
    width: 100%;
    overflow-x: hidden;
    overflow-y: auto;
}
.fixed-table-container th {
    padding: 0 5px;
    text-align: left;
}
.fixed-table-container .first .th-inner {
    border-left: none;
    padding-left: 6px;
}

.fixed-table-container .th-inner {
    position: absolute;
    top: 0;
    line-height: 30px;
    text-align: left;
    border-left: 1px solid black;
    padding-left: 5px;
    margin-left: -5px;
}
.fixed-table-container td + td {
    border-left: 1px solid #ccc;
}
.fixed-table-container td {
    border-bottom: 1px solid #ccc;
    padding: 5px;
    text-align: left;
}