.mtable{
     position:relative;
     margin:auto;
     top:50px;
     left:7%;
     width:50%;
}

table{
   width:80%;
   border-collapse:collapse;
}

th,td{
  padding:12px;
  text-align:center;
}

th{
  background-color:#ccdcff;
}

th:hover {
  background-color:#e6e6ff;
}

td:hover{
  font-size:2em;
}

tr:nth-child(odd){
  background-color:#ffe6ff;
}

tr:nth-child(even) {
 background-color:#ff99c2;
}

.mtable1 {
    position:relative;
    margin:auto;
    top:50px;
    left:7%;
    width:50%;   
}