part2.css

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-size: 24px;
  font-family: 'Akronim', cursive;
}

#logo {
  float: left;
  margin: 0;
}

nav {
  float: right;
}

header {
  padding: 20px;
  border-bottom: 1px solid black;
  height: 80px;
}

footer {
  border: 1px solid black;
  height: 80px;
}

#left-section {
  float: left;
  width: 33%;
  background: lightcyan;
}

#right-section {
  float: right;
  width: calc(100vw - 33%);
  height: 100%;
  overflow: scroll;
  padding-left: 30px;
}

#container {
  height: calc(100vh - 160px);
  width: 100vw;
  clear: left;
}

img {
  float: left;
  margin-right: 20px;
}

.box {
  width: 200px;
  height: 200px;
  border: 4px solid lightsalmon;
  margin: 0 auto;
}