body {
  font-family: Arial, sans-serif;
  background-color: #f0f8ff;
  /* Azul claro */
  color: #000;
  /* Negro */
  margin: 0;
  padding: 0;
}

header {
  background-color: #4169e1;
  /* Azul Royal */
  color: #fff;
  /* Blanco */
  padding: 20px;
  text-align: center;
}

.container {
  max-width: 800px;
  margin: auto;
  padding: 20px;
}

input[type="text"],
input[type="number"],
textarea {
  width: 100%;
  padding: 10px;
  margin: 5px 0;
  box-sizing: border-box;
}

input[type="file"],
input[type="submit"] {
  background-color: #4169e1;
  /* Azul Royal */
  color: #fff;
  /* Blanco */
  border: none;
  padding: 10px 20px;
  margin: 5px 0;
  cursor: pointer;
  border-radius: 5px;
}

input[type="submit"]:hover {
  background-color: #001f3f;
  /* Azul oscuro */
}

.search-bar {
  display: flex;
  margin-bottom: 20px;
}

.search-bar input[type="text"] {
  flex: 1;
}

.search-bar input[type="submit"] {
  margin-left: 10px;
}

.estate {
  border: 1px solid #ccc;
  border-radius: 5px;
  padding: 10px;
  margin-bottom: 20px;
}

.estate img {
  max-width: 100%;
  height: auto;
}

#spinner {
  display: none;
  margin-top: 20px;
  text-align: center;
}

.mensaje {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 0px;
  z-index: 1000;
}