header nav img {
  width: 100%;
  padding-bottom: 0px;
  height: 250px
}
a {
  padding-top: 0px;
  text-decoration: none;
}

/*
  
  font-size
  font-family:sans-serif;
*/
header {
  background-color: white;
}



nav {
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 22%;
  margin-top: 3%;
  margin-bottom: -1%;
}
h3:hover {
  color: gray;
  transform: scale(1.07);
}
h3 {
  color: black;
  font-size: 100%;
  transition: all 0.3s;
  letter-spacing: 10px;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  margin: 0px;
}