/*--------GALERIA-----------*/
div.polaroid {
  margin: 18px;
  width: 340px;
  height: 530px;
  border-radius: 10px;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.header {
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.5)), url('../images/ropaquirurgica.jpg') center center no-repeat;
  background-size: cover;
}

.lentes {
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.5)), url('../images/lentesintraoculares.jpg') center center no-repeat;
  background-size: cover;
  padding-top: 8rem;
}

.fondo2 {
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.5)), url('../images/fondo2.jpg') center center no-repeat;
  background-size: cover;
  padding-top: 8rem;
}

.fondo3 {
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.5)), url('../images/fondo3.jpg') center center no-repeat;
  background-size: cover;
  padding-top: 8rem;
}

.header .header-content, .lentes .header-content, .fondo2 .header-content, .fondo3 .header-content{
  padding-top: 8rem;
  padding-bottom: 2.125rem;
  text-align: center;
}

.header .text-container, .lentes .text-container, .fondo2 .text-container, .fondo3 .text-container {
  margin-bottom: 3rem;
}

.header h1, .lentes h1, .fondo2 h1, .fondo3 h1 {
  margin-bottom: 0.15rem;
  color: #fff;
}

.header .p-large, .lentes .p-large, .fondo2 .p-large, .fondo3 .p-large {
  margin-bottom: 2rem;
  color: #dfe5ec;
}

.header .btn-solid-lg, .lentes .btn-solid-lg, .fondo2 .btn-solid-lg, .fondo3 .btn-solid-lg{
  margin-right: 0.5rem;
  margin-bottom: 1.25rem;
}

img {
  width: 200px;
  height: 200px;
  margin: 5px;
}

div.imagen{
  margin: 10px;
  border-radius: 10px;
}

div.container {
  text-align: center;
  padding: 10px 20px;
}

div.cajatext{
  height: 230px;
  text-align: center;
  padding: 10px 20px;
}
/* The alert message box */
.alert {
    padding: 20px;
    background-color: #f44336; /* Red */
    color: white;
    margin-bottom: 15px;
}

/* The close button */
.closebtn {
    margin-left: 15px;
    color: white;
    font-weight: bold;
    float: right;
    font-size: 22px;
    line-height: 20px;
    cursor: pointer;
}

.closebtn:hover {
    color: black;
}