* {
  box-sizing: border-box;
}
body {
  background-color: #eaf3ff;
  font-family: "Open Sans", sans-serif;
  font-size: 18px;
  margin: 0;
}
main {
  display: flex;
  align-items: flex-start;
  width: 100%;
}
/*To make the menuIcon and Header align on straight line*/
.heading {
  display: flex;
  align-items: baseline;
}
#intro {
  margin: 0 10px;
}
#mainContent {
  flex: 1;
}