table{
  width:300px;
  border-collapse:collapse;
  table-layout:fixed;
  text-align:center;
  font-size:18px;
}

td{
  border:1px solid black;
  vertical-align:middle;
}

.td1{ 
 width:75px;
 height:50px;
 background-color:red;
 }

.td2 { 
 width:225px;
 height:50px;
 background-color:yellow;
}

.td3{
 width:225px;
 height:100px;
 background-color:green;
}

.td4{
 width:75px;
 height:50px;
 background-color:purple;
}

.td8{
 width:75px;
 height:100px;
 background-color:brown;
}

.td5,.td6,.td7{
 width:75px;
 height:50px;
 }

.td5{
 background-color:pink;
}

.td6{
 background-color:cyan;
}

.td7{
 background-color:orange;
}