:root {
  --imgBG_LG1: skyblue;
  --imgBG_LG2: rgb(230, 116, 116);
  --headingColor: black;
}
.header {
  background-image: linear-gradient(var(--imgBG_LG1), var(--imgBG_LG2));
  height: auto;
  width: 100%;
  padding: 5px;
  margin-top: -16px;
}
.heading {
  text-align: center;
  font-family: Arial, Helvetica, sans-serif;
  font-size: xx-large;
  color: var(--headingColor);
}