html {
  font-size: 16px;
  font-family: sans-serif;
}

body {
  margin: 0;
  background-color: #0050a3;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, auto));
  grid-auto-rows: minmax(350px,auto);
  grid-gap: 1px;
}

.letter {
  position: relative;
  display: flex;
  background-color: #0065CC;
  font-family: 'Montserrat', 'Arial', sans-serif;
  font-weight: 800;
  font-size: 10rem;
  color: #fff;
  justify-content: center;
  align-items: center;
  text-align: center;
  line-height: 1rem;
  cursor: pointer;
  transition: all .3s ease;
}

.letter:hover {
  font-size:8rem;
  border: 1rem solid #fff;
}

.header {
  grid-column: 1 / -1;
  padding-top: 3rem;
  background-color: #0065CC;
  font-family: 'Helvetica', 'Arial', sans-serif;
  font-weight: 800;
  font-size: 4rem;
  text-transform: uppercase;
  color: #fff; 
  transition: all .3s ease;
}

.header div:nth-child(1) {
}

.header-title {
  margin: 0;
  padding-left: 3rem;
  line-height: 0.9em;
  letter-spacing: -1px;
  font-family: 'Montserrat', sans-serif;
}

p.header-text {
  margin: 0;
  padding-right: 8rem;
  padding-left:3rem;
  padding-top:2rem;
  padding-bottom:3rem;
  line-height: 2.5rem;
  font-size: 2rem;
  text-transform: none;
  font-weight: 400;
}

.icon {
  opacity: 0;
  position: absolute;
  height: 2rem;
  right: 2rem;
  bottom: 1rem;
  transition: all .3s ease;
}

div.letter:hover img.icon {
  opacity: .5;
  transform: translate(0rem, -1rem);
}

.emoji {
  opacity: 0;
  position: absolute;  
  left: 2rem;
  top: 2rem;
  transition: all .3s ease;
  -webkit-filter: drop-shadow(12px 12px 25px rgba(0,0,0,0.5));
}

div.letter:hover img.emoji {
  opacity: 1;
  transform: translate(1rem, 1rem);
}

p.header-caption {
  padding-top: 1rem;
  padding-left: 3rem;
  font-size: 14px;
  font-weight: 400;
  color: rgba(256,256,256,0.5);
  letter-spacing: .1rem;
  line-height: 1.5rem;  
  margin:0;
}

.header-caption a {
  color: rgba(256,256,256,0.5);
  text-decoration:none;
}

.header-caption a:hover {
  color:white;
}

.number {
  margin: 0;
  font-family: 'Verdana';
  font-size: 14px;
  font-weight: 400;
  position: absolute;
  left: .5rem;
  top: .5rem;
  opacity: .5;
}

p.letter-sm {
  opacity:0;
  margin:0;
  position:absolute;
  font-family: 'Georgia', serif;
  font-size: 5rem;
  left: 1.5rem;
  bottom: 3rem;
  transition: all .3s ease;
}

p.transcription {
  position:absolute;
  font-family: 'Helvetica', 'Arial', sans-serif;
  font-size:2rem;
  font-weight: 400;
  bottom: -0.5rem;
  right: 5rem;
  opacity: 0;
  transition: all .3s ease;
}

div.letter:hover p.transcription {
  opacity: .5;
  transform: translate(0px, -1rem);
}

div.letter:hover p.letter-sm {
    opacity: 1;
}

@media screen and (min-width: 960px) {
  
  .header {
    display:flex;
  }
    
  .header div:nth-child(1) {
  width: 50%;
  }
  
  .header div:nth-child(2) {
  width: 50%;
  }
  
  p.header-text {
  padding:0; 
  padding-right:8rem; 
  padding-bottom: 3rem; 
  max-width: 50rem;
  }

}