robot.css

*{
    margin: 0%;
    padding: 0%;
    box-sizing: border-box;
}

.head, 
.right-eye,
.left-eye,
.body-part,
.left-hand,
.right-hand,
.right-leg,
.left-leg,
.smile{
    background-color: #4f515c;
}

.head{
    position: absolute;
    border: 1px solid black;
    width: 125px;
    height: 90px;
    top: 150px;
    left: 500px;
}


.right-eye{
    position: absolute;
    width: 22px;
    height: 15px;
    border-radius: 5px;
    background-color: purple;
    border: 4px solid white;
    top: 180px ;
    left: 578px;
}

.left-eye{
    position: absolute;
    width: 22px;
    height: 15px;
    border-radius: 5px;
    background-color: purple;
    border: 4px solid white;
    top: 180px ;
    left: 528px;
}

.body-part{
    position: absolute;
    left: 500px;
    top: 250px;
    width: 125px;
    height: 170px;
    border-radius: 0px 0px 30px 30px;
}

.left-hand{
    position: absolute;
    width: 20px;
    height: 90px;
    border-radius: 5px;
    top: 265px;
    left: 470px;
    rotate: 5deg ;
}

.right-hand{
    position: absolute;
    width: 20px;
    height: 90px;
    border-radius: 5px;
    top: 265px;
    left: 638px;
    rotate: -5deg;
}

.left-leg{
    position: absolute;
    width: 21px;
    height: 55px;
    border-radius: 0px 0px 10px 10px;
    top: 430px;
    left: 535px;
}

.right-leg{
    position: absolute;
    width: 21px;
    height: 55px;
    border-radius: 0px 0px 10px 10px;
    top: 430px;
    left: 570px;
}

.right-hand:hover{
    top: 180px;
    rotate: 15deg;
    left: 645px;
}

button{
    margin: 100px auto;
    display: block;
    padding: 5px 15px;
}

.body-part:hover{
    background-color: blueviolet;
    transform: scale(1.1);
    transition: 0.2s;
}

.left-leg:hover {
    width: 21px;
    height: 175px;
    background-color: blueviolet;
    border-radius: 0px 0px 10px 10px;
    top: 430px;
    left: 535px;
    position: absolute;
    display: block;
    transition: linear 0.2s;
}
/* this is not working. I tried to change body color , when one click button. */
/* button:hover .body-part{
    background-color: brown;
}

.smile{
    position: absolute;
    height: 5px;
    width: 30px;
    border: 3px solid white;
    background-color: purple;
    top: 220px;
    left: 548px;
}

.head:hover .smile{
    position: relative;
    display: block;
}

.smile{
    display: none;
} */