body {
  width: 90%;
  margin: 0 auto;
  background: #f2f5f4;
  color: #263b3b;
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

header {
  padding: 20px;
  background: #174c4f;
  text-align: center;
}

#title {
  margin: 0 0 20px;
  color: white;
  font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 0;
  padding: 0;
}

nav li {
  list-style: none;
}

nav a {
  display: inline-block;
  padding: 8px 12px;
}

nav a:link {
  color: white;
}

nav a:visited {
  color: #ead5ff;
}

nav a:hover {
  color: #174c4f;
  background: #c8e6df;
}

nav a:focus {
  outline: 3px solid #ffd166;
  outline-offset: 2px;
}

nav a:active {
  color: #174c4f;
  background: #ffd166;
}

#main {
  display: flex;
  flex-direction: row;
  margin: 25px 0;
}

.column1 {
  order: 3;
  flex: 1;
  padding: 15px;
}

.column2 {
  order: 2;
  flex: 2;
  border-right: 1px solid #aaa;
  padding: 15px;
}

.column3 {
  order: 1;
  flex: 1;
  border-right: 1px solid #aaa;
  padding: 15px;
}

.column1,
.column2,
.column3 {
  min-width: 0;
}

h2 {
  color: #174c4f;
  font-family: "Oswald", sans-serif;
  text-align: center;
}

#main img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

footer {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: #d8e8e3;
}

address {
  font-style: normal;
  overflow-wrap: anywhere;
}

footer a {
  color: #174c4f;
}

.social {
  display: flex;
  gap: 15px;
}

@media (width < 1000px) {
  body {
    width: 100%;
  }
}

@media (width < 700px) {
  #main {
    flex-direction: column;
    gap: 20px;
  }

  .column1,
  .column2,
  .column3 {
    border: none;
    padding: 0;
  }
}