body {
  background-color: #e8e8e8;
  font-family: 'Open Sans', sans-serif;
  margin-left: 0%;
  margin-right: 0%;
  margin-top: 0%;
  margin-bottom: 0%;
  padding-top: 0%;
}

header {
  font-size: x-large;
  color: white;
  text-shadow: 1px 1px #65534f;
  height: 10%;
  border-radius: 25px;
  padding-top: 10px;
  padding-bottom: 50px;
  background-color: #79a153;
  text-align: center;
  margin-left: 10%;
  margin-right: 10%;
  margin-top: 2%;
}

#classes_holder {
  display: flex;
  flex-flow: row wrap;
  align-content: center;
  justify-content: space-between;
  border-radius: 25px;
  height: 20%;
  background-color: #d0ced1;
  padding-bottom: 2%;
  padding-right: 2%;
  padding-left: 2%;
  padding-top: 2%;
  margin-left: 5%;
  margin-right: 5%;
  margin-top: 3%;
}

.classes {
  color: white;
  border-radius: 25px;
  padding-top: 5px;
  text-align: center;
  height: 30%;
  width: 15%;
  background-color: #65534f;
  padding-top: 1.2%;
}

.classes:hover {
  background-color: #79a153;
}

#picture_holder {
  text-align: center;
}

a:link {
  text-decoration: none;
  color: white;
}

a:visited {
  text-decoration: none;
  color: white;
}

a:hover {
  color: #65534f;
}