@import url("https://fonts.googleapis.com/css?family=Lato:400,700");
html {
  box-sizing: border-box;
}
*,
*:before,
*:after {
  box-sizing: inherit;
}
body {
  font-family: Lato, sans-serif;
  background: lightgray;
  margin: 0;
}
/*  
    SECTION
*/
.landing {
  background-image: url(img/background.jpg);
  background-size: cover;
  background-position: center;
  height: 100vh;
  position: relative; /* overlay will be positioned absolute*/
  color: white;
}
.overlay {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  text-align: center;
}
.logo {
  opacity: 0.8;
  border-radius: 1em;
  margin-top: 4em;
}
h1 {
  font-size: 3rem;
  margin-top: 0.5em;
}
.countdown {
  font-size: 4rem;
  max-width: 800px;
  margin: auto;
  display: flex;
  justify-content: space-around;
}
.countdown > div {
  border: 1px solid white;
  padding: 0.5em;
  border-radius: 0.5em;
}
.countdown .sub {
  font-size: 1.2rem;
  margin: 0;
  color: cyan;
}
/*
    MEDIA QUERIES
*/
@media (max-width: 600px) {
  .logo {
    height: 200px;
  }
  h1 {
    font-size: 3rem;
  }
  .countdown {
    font-size: 3rem;
    width: 100%;
  }
}
@media (max-width: 500px) {
  .logo {
    height: 150px;
  }
  h1 {
    font-size: 2.5rem;
  }
  .countdown {
    flex-direction: column;
    width: 70%;
  }
  .countdown div:not(:first-child) {
    display: none;
  }
}
@media (max-height: 650px) {
  .logo {
    height: 150px;
  }
  .countdown {
    font-size: 2rem;
  }
}