/*
.container {
    background: black;
}
*/

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}

body {
  margin-top: 5%;
  margin-left: 10%;
  margin-right: 10%;
  font-family: monospace;
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333;
}

li {
  float: left;
}

li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover {
  background-color: #111;
}

li a:active {
  color: hotpink;
}

footer {
  display: block;
  text-align: center;
  color: white;
  background-color: #333;
}

hr {
  color: white;
}

#home, #proposal_header {
  height: 300px;
}

#login_box {
  display: inline-block;
  font-family: 'Courier New', Courier, monospace;
}

#emptyCart {
  width: 50%;
  background-color: #f44336;
  text-align: center;
  font-size: 16px;
  color: white;
  padding: 15px 32px;
  display: inline-block;
  margin-left: 25%;
  margin-right: 25%;
}

#updateCart {
  width: 50%;
  background-color: #4CAF50;
  text-align: center;
  font-size: 16px;
  color: white;
  padding: 15px 32px;
  display: inline-block;
}