h3 {
height: 100px;
background-color: blue;
margin: 40px 15px 40px 15px;
border-radius: 10px 0 0 0;
    text-align: center;
}

h2 {
height: 100px;
background-color: red;
margin: 40px 15px 40px 15px;
border-radius: 10px 0 0 0;
    text-align: center;
}

h1 {
height: 100px;
background-color: green;
margin: 40px 15px 40px 15px;
border-radius: 10px 0 0 0;
text-align: center;
}

.double{
width:250px;
background-color: brown;
}

p{
border-radius:10px;
background-color: lightBlue;
border: solid 5px yellow;
}


img{
padding: 200px;
border-radius:200px;
background-color: lightBlue;
border: solid 5px yellow;
width: 1000px;
}
    
button{
    margin: 20px 20px 0 0;
    border-radius: 20px;
    height: 160px;
    width: 160px;
    font-size: 18px;
    background-color: red;
    }