nav{
  height : 10vh;
  background : #5b78c7;
}

body{
  font-family : helvetica;
}

.nav-links {
  display: flex;
  list-style: none;
  width: 50%;
  height: 100%;
  justify-content: space-around;
  align-items: center;
  margin-left: auto;
  margin-right: auto;
  background : lightcoral;
}

.nav-links li a {
  color: white;
  text-decoration: none;
  font-size: 16px;
}

.landing {
  height: 90vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.landing h1 {
  margin: 100px;
  font-size: 50px;
  color: #ae5fce;
}

#txt {
color : blue;
text-align : center;
font-size : 28px;
  align-items: center;
 margin-left : auto;
 margin-right : auto;
}