styles.css

@media all and (min-width: 1000px) {
  .game {
    width: 30%;
  }
  .game p {
    font-size: 1.5em;
  }
}
@media all and (min-width: 750px) and (max-width: 1000px) {
  .game {
    width: 45%;
  }
  .game p {
    font-size: 1.75em;
  }
}
@media all and (max-width: 750px) {
  .game {
    width: 90%;
  }
  .game p {
    font-size: 2em;
  }
}
#container, html, body {
  width: 100%;
  min-height: 100%;
}

span {
  font-family: "hdj";
  margin: 0;
}

.menu {
  background: #02EC64;
  display: -moz-flex;
  display: -ms-flex;
  display: -o-flex;
  display: flex;
  justify-content: space-between;
  border-bottom: 5px solid #02EC64;
  box-shadow: 0px 10px 20px 0px white;
  position: relative;
  z-index: 1000;
}
.menu h1, .menu span {
  font-size: 2rem;
  padding-right: 0;
}
.menu a {
  background: #4EC700;
  padding: 0;
}
.menu * {
  padding: 1em;
  margin-right: 1em;
  color: #FFF;
}

.games {
  display: -moz-flex;
  display: -ms-flex;
  display: -o-flex;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  background: #02EC64;
  min-height: calc(100vh - 7em + 8px);
}
.games .game {
  height: auto;
  margin: 1em;
  background: #4EC700;
  display: -moz-flex;
  display: -ms-flex;
  display: -o-flex;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.games .game:hover {
  cursor: pointer;
}
.games .game:hover img {
  transform: scale(1.25);
  transition: transform 0.5s;
}
.games .game img {
  width: 95%;
  height: auto;
  overflow: hidden;
  margin: 2.5%;
  transition: transform 0.5s;
}
.games .game p {
  text-align: center;
  color: #FFF;
  background: #4EC700;
  padding: 0.25em;
  position: relative;
  z-index: 900;
}

.tutorial {
  position: absolute;
  bottom: 1em;
  right: 1em;
  z-index: 2000;
  font-size: 1.5em;
  padding: 0.25em 0.5em;
  border: 2px solid orange;
  border-radius: 10px;
  background: crimson;
  cursor: pointer;
}