* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #f3f5fb;
  font-family: sans-serif;
  font-size: 1rem;
}

main {
  margin: auto;
  padding: 0.5rem;
  text-align: center;
}
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

ul {
  list-style: none;
  display: flex;
}

li {
  margin-right: 1rem;
}

h1 {
  color: #e74c3c;
  margin-bottom: 0.5rem;
}
.container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  grid-gap: 1rem;
  justify-content: center;
  align-items: center;
  margin: auto;
  padding: 1rem 0;
}
.card {
  display: flex;
  align-items: center;
  flex-direction: column;
  width: 15rem auto;
  height: 15rem;
  background: #f3f5fb;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
  border-radius: 10px;
  margin: auto;
  overflow: hidden;
}
.card--avatar {
  width: 100%;
  height: 10rem;
  object-fit: cover;
}
.card--title {
  color: #222;
  font-weight: 700;
  text-transform: capitalize;
  font-size: 1.1rem;
  margin-top: 0.5rem;
}

.card--link {
  text-decoration: none;
  background: #00192f;
  color: #f3f5fb;
  padding: 0.3rem 1rem;
  border-radius: 20px;
}

.start-screen{
	display: none;
	position: absolute;
	width: 100%;
	height:100%;
	background-color: #f3f5fb;
}

.install-screen{
	display: none;
	position: absolute;
	width: 100%;
	height:100%;
	background-color: #f3f5fb;
}

.apple-install-screen{
	display: none;
	height: 200px; 
	position: fixed; 
	bottom:0%;
	width:100%; 
	background-color: #f3f5fb; 
}

.begin-screen{
	display: none;
	position: absolute;
	width: 100%;
	height:100%;
	background-color: #f3f5fb;
}

.start-button {
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  position: absolute;
  width: 160px;
  background-color: #00192f;
  border: none;
  color: white;
  padding: 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  border-radius: 8px;
}

.appleok-button{
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  position: absolute;
  width: 160px;
  background-color: #00192f;
  border: none;
  color: white;
  padding: 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  border-radius: 8px;
}

.launch-button {
  display: inline-block;
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  position: absolute;
  width: 160px;
  background-color: #00192f;
  border: none;
  color: white;
  padding: 20px;
  text-align: center;
  text-decoration: none;
  font-size: 16px;
  margin: 4px 2px;
  border-radius: 8px;
}

.loading-icon {
  display: inline-block;
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  height:90px;
  width: 90px;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  position: absolute;
}