html {
    font-size: 30px;
    background-color: lightsteelblue;
  }

body {
    width: 80%;
    margin: auto;
    background-color: pink;
    border-radius: 5px;
  }

nav {
    margin: auto;
    background-color: pink;
    font-size: 1.5em;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
  }

ul {
    padding: 0;
    text-align: center;
  }

li {
    display: inline;
    padding: 10px;
  }

img {
    width: 300px;
  }

.picbox {
    border-bottom-left-radius: inherit;
    border-bottom-right-radius: inherit;
    overflow: hidden;
  }

.main-image {
    float: left;
  }

.pgm-image {
    width: 1000px;
  }

.text {
    text-align: end;
    margin-right: 1.5em;
    border-style: solid;
  }

h1 {
    text-align: center;
    text-decoration: underline;
  }