body,
html {
  height: 100%;
  width: 100%;
  background-image: url("./i/cardboard.jpg");
  background-size: repeat;
}

body {
  display: flex;
  justify-content: center;
  font-family: "Arial", sans-serif;
  color: white;
  text-shadow: 2px 2px 4px #000000;
}

div.photos {
  display: flex;
  flex-wrap: wrap;
  margin-top: 50px;
  text-align: center;
  width: 100%;
}

div.photo {
  display: inline-block;
  min-width: 250px;
  max-width: 100%;
  margin: 10px;
  text-align: center;
  position: relative;
}

h1 {
  display: block;
  width: 100%;
  text-align: center;
  align-items: center;
  justify-content: center;
  height: 60px;
  margin-bottom: 24px;
}

h1 span {
  font-size: 32px;
  font-weight: bold;
  color: #ff0000;
  text-shadow: 2px 2px 4px #000000;
  padding: 0 10px;
   animation: blink 1s steps(2, start) infinite;
}

@keyframes blink {
  to {
    visibility: hidden;
  }