* {
  box-sizing: border-box;
}

body {
  font-family: Arial;
  padding: 20px;
  background: #f1f1f1;
}

/* Add a black background color to the top navigation */
.topnav {
    background-color: #333;
    overflow: hidden;
}
  
/* Style the links inside the navigation bar */
.topnav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

/* Change the color of links on hover */
.topnav a:hover {
  background-color: #ddd;
  color: black;
}

/* Add a color to the active/current link */
.topnav a.active {
  background-color: #04AA6D;
  color: white;
}

.header {
  padding: 1px;
  font-size: 40px;
  text-align: center;
  background: white;
}

.footer {
  padding: 20px;
  text-align: center;
  background: #ddd;
  margin-top: 20px;
}

/*  ----------*/

.leftcolumn {
  float: left;
  width: 75%;
}

.rightcolumn {
  float: left;
  width: 25%;
  padding-left: 20px;
}

.fakeimg {
  background-color: #aaa;
  width: 100%;
  padding: 20px;
}

.card {
  background-color: white;
  padding:20px;
  margin-top: 20px;
}

.row:after {
  content: "";
  display: table;
  clear: both;
}

@media screen and (max-width: 800px) {
  .leftcolumn, .rightcolumn {
      width: 100%;
      padding: 0;
  }
}

.error {
  color: rgb(140, 0, 0);
}