body {
  background-image: url('gm_construct.png');
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: 100% 100%;
  color: black;
  font-family: Verdana;
}
.container {
  margin: auto auto auto;
  background-color: #F1F1F1;
  border: 10px solid #76797B;
  text-align: center;
  width: 800px;
  height: 400px;
}