*,
*::after,
*::before {
  margin: 0px;
  padding: 0px;
}
html {
  background-color: #242424;
  color: white;
  font-size: 4vh;
  text-shadow: 1px 1px 1px black;
}

.score {
  position: absolute;
  top: 0%;
  left: 90%;
}

.top {
  width: 100%;
  background: #444444;
  box-shadow: 1px 1px 1px black;
  text-shadow: 0px 0px 2px black;
}

#btn {
  font-size: 0.7em;
  background-color: #242424;
  width: 10%;
  border-radius: 10px;
  color: white;
  cursor: pointer;
  transition: 0.6s ease-in;
  text-shadow: none !important;
  box-shadow: 2px 5px 3px black;
  margin-top: 5px;
}

#btn:hover {
  box-shadow: 1px 1px 1px black;
  transition: 0.6s ease;
}
.hardModeBtn {
  position: absolute;
  top: 0%;
  left: 2%;
  font-size: 0.7em;
  background-color: #242424;
  width: 10%;
  border-radius: 10px;
  color: white;
  cursor: pointer;
  transition: 0.6s ease-in;
  text-shadow: none !important;
  box-shadow: 2px 5px 3px black;
  margin-top: 5px;
}

.hardModeBtn:hover {
  box-shadow: 1px 1px 1px black;
  transition: 0.6s ease;
}

.restartBtn {
  position: absolute;
  top: 5%;
  left: 2%;
}

.clickedHardModeBtn {
  color: red;
  box-shadow: 0px 0px 0px black;
  transition: 0.6s;
}

.gameName {
  text-align: center;
  font-size: 1.2em;
}

.randomColorResult {
  font-size: 1.5em;
}

.squaresContainer {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  display: grid;
  grid-template-columns: repeat(3, 5em);
  grid-template-rows: repeat(3, 5em);
}

.square {
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgb(68, 68, 68);
  border-radius: 10px;
  margin: 5px;
  font-size: 2em;
  color: white;
  transition: 0.5s ease;
}

.square:hover {
  box-shadow: 3px 3px 1px black;
  transition: 0.2s ease;
}

.hidden {
  display: none;
}