heart_box.css

#box1{
    background-color: red;
    height: 50px;
    width: 50px;
    border-radius: 50% 50% 0 0;
}
#box2{
    background-color: red;
    height: 50px;
    width: 50px;
}
#box3{
    background-color: red;
    height: 50px;
    width: 50px;
    border-radius:0 50% 50% 0 ;
}
#wrapper{
    display: flex;
}
#rotator{
    transform: rotate(-45deg);
}