body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background-color: #322f2f; /* light background for contrast */
  color: #a4a1a1;
  }
#preloader {
  position:fixed;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background-color:#ffffff; /* change if the mask should have another color then white */
  z-index:0; /* makes sure it stays on top */
  }    
.banner {
  background: linear-gradient(180deg, #0c6d03 0%, #322f2f 100%);
  padding: 40px 0;
  text-align: center;
  font-family: 'Segoe UI', Arial, sans-serif;
  font-size: 2.5em;
  color: #000000;
  letter-spacing: 2px;
  font-weight: bold;
  box-shadow: none;
}
.center-content {
  text-align: center;
  font-family: 'Segoe UI', Arial, sans-serif;
}
input[type="number"], input[type="text"], input[type="file"] {
  padding: 8px 12px;
  border: 1px solid #a4a1a1;
  border-radius: 6px;
  background: #222;
  color: #a4a1a1;
  font-size: 1em;
  margin: 4px 0;
  outline: none;
  transition: border-color 0.2s;
}
input[type="number"]:focus, input[type="text"]:focus, input[type="file"]:focus {
  border-color: #6c6a6a;
  background: #333;
}
button[type="button"] {
  padding: 10px 28px;
  background: #a4a1a1;
  color: #222;
  border: none;
  border-radius: 6px;
  font-size: 1.1em;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  margin-top: 10px;
}
button[type="button"]:hover {
  background: #6c6a6a;
  color: #222;
}