style.css

@import url('https://fonts.googleapis.com/css2?family=Work+Sans&display=swap');

body {
    background: url("https://kq-storage.s3.ap-south-1.amazonaws.com/Github/earth/climate-change-bg%5B1%5D.png");
    font-family: 'Work Sans', sans-serif;
    background-size: 100% 100%;
    text-align: center;
}

.container {
    width: 100vw;
    height: 100vh;
    color: white;
    margin-top: 200px;
}

h4 {
    font-size: 120%;
}

hr {
    width: 10%;
}

.change {
    background: transparent;
    color: white;
    border-radius: 30px;
    font-size: 120%;
    padding: 15px 20px;
    margin: 50px;
}

iframe {
    border: none;

}