body {
    margin: 0;
    font-family: 'Lato', sans-serif;
    font-weight: 400;
    background-color: #f0fff0;
}

.center-container {
  margin-left: auto;
  margin-right: auto;
  max-width: 500px;
}

/* Add a black background color to the top navigation */
.topnav {
    background-color: rgb(11,44,38);
    padding: 0px;
    width: 100%;
    border-bottom: 2px solid rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

/* Style the links inside the navigation bar */
.topnav a, .topnav p {
  font-weight: bold;
  margin: 0;
  float: left;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 20px;
}

/* Change the color of links on hover */
.topnav a:hover {
  color: white;
}

/* Add a color to the active/current link */
.topnav a.active {
  background-color: #77db25;
  color: white;
  font-weight: bold;
}

/* Right-aligned section inside the top navigation */
.topnav-right {
  float: right;
}

#login-button {
  font-size: 17px;
  background-color: #f7d560;
  color: black;
  font-weight: bold;
  border-radius: 3px;
  margin-top: 6px;
  margin-bottom: 5px;
  margin-right: 5px;
  padding: 8px 10px;
  border: 1px solid black;
}

#login-button:active {
  font-size: 16.8px;
}

.main {
  padding: 10px;
}

.card {
  background-color: white;
  border: 1px lightgrey solid;
  padding: 10px;
  margin-bottom: 5px;
}