html, body {
  background-color: white; 
  font-family: Arial;
}

.glg_wrapper {
  margin: 0px;
  border: solid thin black;
}

.top_button {
  margin-top: 5px;
  margin-bottom: 5px;
  margin-right: 5px;
  font-size: medium;
  color: rgb(0,50,100);
  -webkit-appearance: button;
}

.top_button_large {
  margin-top: 5px;
  margin-bottom: 15px;
  margin-right: 5px;
  font-size: large;
  color: rgb(0,50,100);
  -webkit-appearance: button;
}

li {
  margin-bottom: 10px;
}

#loader_container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

#loader {
  border: 16px solid #f3f3f3;
  border-radius: 50%;
  border-top: 16px solid #3498db;
  width: 120px;
  height: 120px;
  -webkit-animation: loader_spin 2s linear infinite;  /* Safari */
  animation: loader_spin 2s linear infinite;
}

@-webkit-keyframes loader_spin {
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(360deg); }
}

@keyframes loader_spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}