* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html,body {
    height: 100%;
    width: 100%;
    background-color:  rgb(171,221,230);
} 
h1 {
    text-align: center;
    margin: 10px;
    padding-top: 10px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-weight: 1000;
    font-size: 400%;
    color: black;
}
.one-third-port img {
    height: 400px;
    width: 400px;
    border-radius: 5px;
    border: 6px solid black;
}
.one-third-port {
    width: 32.5%;
    padding: 3%;
    float: left; 
}