h1{
    background-color: green;
    color: red;
}

table,
td,
th{
    /* border-collapse: collapse; */
    border-spacing: 2px;
    border: 2px solid black;
}

th{
    background-color: lightblue;
    border: 2px dotted black;
}

td{
    background-color: lightcoral;
}