@import url('https://fonts.googleapis.com/css2?family=Source+Sans+Pro&display=swap');
body {
	margin: 0px;
	padding: 0px;
    background-color:seashell;
}

main {
    max-width: 540px;
    margin: 20px auto;
    padding: 10px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	font-size: 18px;
	font-family: 'Source Sans Pro', 'Open Sans', sans-serif;
    background-color: #fefefe;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    border-radius: 5px;
}

h1 {
    color: #003959;
    background-color: #fefefe;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    border-radius: 5px;
    padding: 10px;
}

img[data-src] {
    filter: blur(0.2em);
}

img {
    display: block;
    max-width: 100%;
    height: auto;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    border-radius: 5px;
    margin: 10px;
    filter: blur(0em);
    transition: filter 0.8s;    
}

@media (max-width: 767px) {
    h1 {
        text-align: center;
    }

    img {
        margin: 10px auto;
    }
}