<style>
table {
  width: 500px;
  border-spacing: 0px;
}

td {
  height: 20px;
}

td:nth-child(1) {
  background-color: green;
}
</style>
<table><td width="0.1%"></td><td> </td></table>
<table><td width="0.5%"></td><td> </td></table>
<table><td width="0.9%"></td><td> </td></table>
<table><td width="1%"></td><td> </td></table>
<table><td width="5%"></td><td> </td></table>
<table><td width="10%"></td><td> </td></table>