body {
    font-family: calibri;
}
.container {
    width: 800px;
    display: grid;
    margin: 0 auto;
    border: 1px solid black;
    grid-template-columns: 200px auto 200px;
    grid-template-rows: auto auto auto;
}
.container div {
    border: 1px solid black;
}
h1,h2,h3 {
    margin: 0px;
    padding: 0px;
}
p {
    margin: 0px;
    padding: 0px;
}
.header {
    color: white;
    background-color: lightcoral;
    grid-column: 1 / span 2;
    padding: 10px;
    text-align: center;
}
.aside {
    background-color: yellow;
    grid-column: 3 /span 1;
    grid-row: 1 / span 2;
    text-align: center;
    padding: 10px;
}
.aside div {
    background-color: white;
    border: 2px solid red;
    padding: 5px;
    margin: 10px;
}
.section {
    background-color: lime;
    grid-row: 2 / span 1;
}
.section ul {
  list-style-type: none;
  margin: 10px;
  padding: 0;
  width: 180px;
  background-color: #ffffff;
  border: 1px solid black;
}
li {
    border: 1px solid black;
}
li h3{
    padding: 8px 16px;
}
li a {
  display: block;
  color: black;
  padding: 8px 16px;
  text-decoration: none;
}
li a:hover {
  background-color: #86c2ff;
  color: white;
}
.article {
    background-color: rgb(229, 229, 229);
    grid-column: 2 / span 1;
    grid-row: 2 / span 1;
    padding: 10px;
}
.footer {
    background-color: gray;
    grid-column: 1 / span 3;
    text-align: center;
    padding: 10px;
}
small {
    font-size: 30px;
}