h1 {
    background-color: orange;
    /* background-color: rgb(200, 200, 200); */
    /* background-color: rgba(255, 0, 0, .2); */
    /* background-color: hsl(120, 0%, 80%); */
    /* background-color: hsla(120, 0%, 80%, .5); */
    /* background-color: #ff000022; */
}