samplecss.css

body {
    padding-left: 25px;
    padding-right: 25px;

}

h1 {
    color: navy;
    margin-left: 20px;
}

.button {
    background-color: #1A5276; 
    border: none;
    color: white;
    padding: 5px 5px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin:5px;
    min-width:150px;
}

.row {
    min-height: 100px;
    overflow: hidden;
    border-bottom: 3px solid gray;
    padding-top: 5px;
}

.w3-container-row {
    border-bottom: 3px solid gray;
}

.left, .right {
  position: absolute;
  top: 0;
  bottom: 0;
  padding: 5px 5px;
}

.left {
  left: 0;
  width: 34%;
  overflow:scroll;
}

.right {
  right: 0;
  width: 64%;
}

.upper, .lower {
  position: absolute;
  left: 0;
  right: 0;
}

.upper {
  top: 0;
  height: 70%;
  overflow:scroll;
}

.lower {
  bottom: 0;
  height: 28%;
  background-color: #F3F3F3;
}

.txnrow {
  bottom: 0;
  font-family:"Courier New", Times, serif;
  font-size: 12px;
  background-color: #F3F3F3;
  white-space: pre;
  border-bottom: 1px solid gray;
}