*{font-family: Arial, Helvetica, sans-serif;}
/*Menu*/
#main_menu {
  width: 100%;
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #f3f3f3;
  position: -webkit-sticky; /* Safari */
  position: sticky;
  top: 0;}
  #main_menu li {
    float: left;}
    #main_menu li a {
      display: block;
      color: black;
      text-align: center;
      padding: 14px 16px;
      text-decoration: none;}
    #main_menu li a:hover {
      color: white;
      background-color: #0088cc;}

table {
  border-collapse: collapse;
  width: 100%;}
  #headers {
    font-weight:bold;}
  tr:nth-child(even) {
    background-color: #f2f2f2;}
    td {
      /*text-align: right;*/
      padding: 8px;}
    td#subLogin {
      text-align: center;
      padding: 8px;}

form{
  width:350px;
  margin-left: auto;
  margin-right: auto;}
  input{
    width:85%;
    padding: 8px 10px;
    background-color: #f1f1f1;
    border: 2px solid #0097D8;
    border-radius: 4px;}
  input[type=submit],input[type=reset],[type=button]{
    background-color: grey;
    border: none;
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    margin: 4px 2px;
    cursor: pointer;}
  select {
  padding: 8px 10px;
  border: none;
  border-radius: 4px;
  background-color: #f1f1f1;}