table{
    width:100%;
    border:3px solid black;
    border-style:dotted;
    border-spacing:3px;
}
td{
    width: 12.5%;
}
thead tr:nth-child(1) th:nth-child(1){
    background-color: aqua;
    color: pink;
    text-align: center;
}
col:nth-child(1) {
    background-color: lime;
    color: pink;
}
col:nth-child(3) {
    background-color: yellow;
}
thead tr:nth-child(2) th:nth-child(2n+1){
    background-color: darkBlue;
    color: orange;
    text-align: center;
}
tr:nth-child(2) th:nth-child(2n+2){
    background-color: green;
    color:white;
    text-align: center;
}
tr:nth-child(1) th:nth-child(2){
    background-color: green;
    color: white;
    font-size: 25px;
    height: 75px;
}