body {
     color: white; text-align: center; background: linear-gradient( 90deg, steelblue, lightgreen, lightseagreen); 
 }

h1{
    background-color: darkorange; border: solid 5px; color: white; padding: 5px; border-radius: 25px; border-color: greenyellow; text-align: center;
    font-size: 35px; 
}

h2 {
    background-color: darkblue; border: solid 5px; padding: 3px; border-radius: 25px; font-size: 28; border-color: greenyellow;
}

 img {
     border: solid 5px; padding: 3px; color: greenyellow; border-radius: 150px;
    }

strong {
    font-size: 30px; color: black; background-color: white;
}

.pd {
    border: solid 5px; padding: 3px; color: greenyellow; border-radius: 25px;
}

.mango {
     color: black; font-size: 20px; border: solid 4px black; background-color: lightskyblue; padding: 6px; border-radius: 10px; text-align: center;
}

h4 {
    color: black;
}

p {
    color: black;
}

div {
    display: flex; justify-content: center;
}