#box1 {
    background-color: yellow;
    position: absolute;
    width: 200px;
    height: 200px;
    top: 100px;
    left: 25px;
    border: 1px solid black;
    border-radius: 40px 40px 0 0;
}

#box1 p {
	position: relative;
	bottom: -20px;
}

#box2 {
    background-color: green;
    position: absolute;
    width: 200px;
    height: 200px;
    top: 100px;
    left: 250px;
    border: 1px solid black;
    text-align: center;
    border-radius: 100px;
}