#ex-table {
  font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
  border-collapse: collapse;
  width: 100%;
}

#ex-table td, #customers th {
  border: 1px solid #ddd;
  padding: 8px;
}

#ex-table tr:nth-child(even){background-color: #f2f2f2;}

#ex-table tr:hover {background-color: #ddd;}

#ex-table th {
  padding-top: 12px;
  padding-bottom: 12px;

  text-align: center;
  background-color: #4CAF50;
  color: white;
}

.container{
  border-radius: 5px;
  background-color: #f2f2f2;
  padding: 20px;
}
/* Dropdown Button */
.dropbtn {
  background-color: #3498DB;
  color: white;
  padding: 16px;
  font-size: 16px;
  border: none;
  cursor: pointer;
}

/* Dropdown button on hover & focus */
.dropbtn:hover, .dropbtn:focus {
  background-color: #2980B9;
}

/* The container <div> - needed to position the dropdown content */
.dropdown {
  position: relative;
  display: inline-block;
}

/* Dropdown Content (Hidden by Default) */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f1f1f1;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

/* Links inside the dropdown */
.dropdown-content a {
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
}

/* Change color of dropdown links on hover */
.dropdown-content a:hover {background-color: #ddd}

/* Show the dropdown menu (use JS to add this class to the .dropdown-content container when the user clicks on the dropdown button) */
.show {display:block;}

.navbar {
overflow: hidden;
background-color: #333;
bottom: 0;
width: 100%;
}

.navbar a {
float: left;
display: block;
color: #f2f2f2;
text-align: center;
padding: 14px 16px;
text-decoration: none;
font-size: 12px;
}

.navbar a:hover {
background: #f1f1f1;
color: black;
}

.navbar a.active {
background-color: #4CAF50;
color: white;
}