body{
  background-color: yellow;
  background-color: rgba(20, 20, 150, 0.3);
  font-family: Calibri;
}
main{
  position: absolute;
  width: 100%;
  background-color: rgba(150,150,150, 0.6);
  text-align: center;

}
h2{
  font-size: 18px;
}
table{
  border: 2px solid black;
}