div{
    width: 90%;
    height: 100px;
    margin: 20px auto;
    padding: 40px;
    border: 2px solid black;
    box-sizing: border-box;
    background-color: orange;
    transition-property: background-color;
    transition-duration: 5s;
}
.d1:hover{
    background-color: blue;
}
.d1:active{
  background-color: green;
}
.d2:active{
  background-color: green;
}
.d2:hover{
    background-color: blue;
}