.btn_root_tests {
  display: inline-block;
  padding: 6px 10px;
  background-color: #007050;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  font-size: 1.2em;
}

.btn_root_tests:hover {
  background-color: #004030;
}

.btn_root_images,.btn_root_photos {
  display: inline-block;
  padding: 2px 2px;
  color: black;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.2em;
  text-align: center;
  border: 1px solid;
}

#lang-buttons {
    margin: 10px 0;
}

button {
    padding: 6px 12px;
    margin-right: 5px;
    cursor: pointer;
}