a {
  text-decoration: none;
  color: red;
  border-bottom: 1px solid blue; 
}


 
 
  

/*ARREGLO*/
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background-image: linear-gradient(to bottom, #87ceeb, #2ba2dd, #0075cd, #0045b4, #00008b);
  background-repeat: no-repeat;
  background-color: #000e93;
}

.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}


.titulo {
  font-size: 24PX;
  text-align: center;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); /* Las tarjetas se ajustarán automáticamente */
  grid-gap: 20px;
  justify-items: center;
  align-items: center;
  margin-top: 20px;
}


.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 200px;
  height: 200px;
  border: 2px solid #000000;
  padding: 10px;
  text-align: center;
  max-width: 100%;
}


.letter {
  background-color: rgba(255, 255, 255, 0.8);
  color: #000000;
  padding: 2px 5px;
  border-radius: 5px;
}

.card:hover img {
  opacity: 0.7;
}

.card img {
  width: 145px;
  height: 120px;
}

.footer {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 22px;
}





.attribution {
  font-size: 12px;
  text-align: center;
}




header {
  background-color: #333;
  color: #fff;
  padding: 10px;
}

.menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.login-btn {
  background-color: #007bff;
  color: #fff;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 5px;
}

.login-btn:hover {
  background-color: #0056b3;
}







#notification {
  display: none;
  padding: 8px;
  background-color: #ff0000;
  color: #ffffff;
  text-align: center;
  font-size: 14px;
}

#notification2 {
  display: none;
  padding: 8px;
  background-color: rgb(50, 205, 109);
  color: #000000;
  text-align: center;
  font-size: 14px;
}