body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}
main {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}
.sectionGroup {
  display: flex;
  flex-direction: row;
  gap: 20px;
}
.section1 {
  width: 100%;
  display: flex;
  flex-direction: column;
  border: solid green;
  justify-content: center;
  padding: 5px;
}
#section1link {
  color: #0066cc;
  text-decoration: none;
  position: relative;
  left: 2px;
}
.section2 {
  width: 50%;
  display: flex;
  flex-direction: column;
  border: solid orange;
  align-items: left;
  justify-content: center;
  padding: 5px;
}
#section2link {
  color: #0066cc;
  text-decoration: none;
  position: relative;
  left: 2px;
}
.section3 {
  width: 50%;
  display: flex;
  flex-direction: column;
  border: solid purple;
  align-items: left;
  justify-content: center;
  padding: 5px;
}
#section3link {
  color: #0066cc;
  text-decoration: none;
  position: left;
  left: 2px;
}
img {
  display: block;         
  max-width: 100%;        
  height: auto;
  margin: 20px auto;       
}
h1, h2 {
  text-align: left;
}
a {
  margin-top: 10px;
  color: #0066cc;
  text-decoration: none;
  position: relative;
  left : 40px;
}
a:hover {
  text-decoration: underline;
}