html, body, h1, p, ul, li, div {
  border: 0;
  margin: 0;
  padding: 0;
  outline: 0 none;
  display: block;
  background: transparent;
  text-decoration: inherit;
  font: inherit;
}

ul {
  list-style: none;
}

body {
  text-align: center;
  background-color: rgba(98,125,77,1);
  background: @include filter-gradient(#627d4d, #1f3b08, horizontal);
  background: @include background-image(linear-gradient(left, rgba(98,125,77,1) 0%, rgba(31,59,8,1) 100%));
  color: #3A2F0B;
  font-family: Courier;
}

.group:after {
  content: "";
  display: block;
  clear: both;
}

h1 {
  font-size: 50px;
  font-weight: 700;
  margin-bottom: 30px;
  margin-top: 30px;
}

.board {
  border: 1px solid black;
  background: linear-gradient(rgba(240, 240, 240, 0.8), rgba(100, 100, 100, 0.8)),
              url("./../img/jungle-background.jpg");
  width: 600px;
  height: 600px;
  margin: auto;
  overflow: hidden;
  transition: transform .5s;
}

li {
  float: left;
  width: 30px;
  height: 30px;
}

.snake, .apple {
  width: 28px;
  height: 28px;
  border: 1px solid black;
  box-shadow: 1px 1px 1px #000;
}

.snake {
  border-radius: 12px;
  border-color: #21610B;
  background: linear-gradient(rgba(41, 236, 116, 0.5), rgba(24, 133, 66, 0.5)),
              url("./../img/snake-background.jpg");
}

.apple {
  border-radius: 10px 10px 20px 20px;
  border-color: #8A0808;
  position: relative;
  background-image: linear-gradient(30deg , #FE2E2E, #B40404);
}

.apple:before {
  content: "";
  position: absolute;
  bottom: 28px;
  left: calc(50%);
  width: 4px;
  height: 10px;
  background-color: brown;
  transform: rotate(30deg);
}

.apple:after {
  content: "";
  position: absolute;
  bottom: 17px;
  left: 17px;
  width: 10px;
  height: 10px;
  background-color: rgba(255, 255, 255, 0.6);
  border-radius: 5px;
}

.game-over > .board {
  position: relative;
}

.game-over > .board:before {
  content: "";
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  position: absolute;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 20;
}

.game-over > .board:after {
  content: "GAME OVER";
  font-size: 80px;
  color: #D8D8D8;
  text-shadow: 0 0 10px #fff;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 30;
}

p {
  font-size: 30px;
  font-weight: 800;
  margin-top: 30px;
}

.score {
  color: brown;
}