* {
  box-sizing: border-box;
}


#myTable {
  border-collapse: collapse;
  width: 100%;
  border: 1px solid #ddd;
  font-size: 14px;
}

#myTable th, #myTable td {
  text-align: left;
  padding: 5px;
  border: 1px solid #ddd;
}

#myTable tr {
  border-bottom: 1px solid #ddd;
}

#myTable tr.header, #myTable tr:hover {
  background-color: #efefef;
}