*{
  margin: 0;
  padding: 0;
  list-style: none;
  text-decoration: none;
}
body{
  overflow: hidden;
  background: linear-gradient(rgba(42, 150, 219, 0.9), rgba(153, 50, 231, 0.9));
  height: 100vh;
}
pre{
  position: absolute;
  right: 60px;
  top: 10px;
  font-size: 16px;
  line-height: 30px;
}
.map{
  width: 900px;
  height: 100%;
  display: flex;
  margin: 0 auto;
  flex-direction: column;
}
.game, .emigrated{
  height: 100%;
  display: flex;
}
.customsPassWarp{
  width: 100%;
  height: 100%;
  display: flex;
  flex-wrap: wrap;
}
.customsPassWarp .customsPass{
  width: calc(20% - 10px);
  height: 50px;
  text-align: center;
  line-height: 50px;
  background-color: red;
  border-radius: 50%;
  cursor: pointer;
  margin: 5px;
}
.customsPassWarp .noPass{
  background-color: #ccc;
  color: #fff;
}
.sidebar{
  width: 80px;
  display: flex;
  align-items: center;
}
.sidebar button{
  width: 100%;
  line-height: 40px;
}
.map .row{
  display: flex;
  flex: 1;
}
.map .row .col{
  flex: 1;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-bottom: none;
  border-right: none;
}
.map .row .col:last-child{
  border-right: 2px solid rgba(0, 0, 0, 0.2);
}
.map .row:last-child .col{
  border-bottom: 2px solid rgba(0, 0, 0, 0.2);
}
.map .snake{
  width: 100%;
  height: 100%;
  background: red;
}
.map .fruit{
  width: 100%;
  height: 100%;
  background-color: yellowgreen;
}
nav{
  width: 50%;
}
nav ul{
  display: flex;
  width: 100%;
  line-height: 40px;
}
nav ul li{
  flex: 1;
  text-align: center;
  background-color: blue;
  margin: 1px;
}
nav ul li a{
  width: 100%;
  height: 100%;
  display: block;
  color: wheat;
}
nav ul li a:focus{
  color: red;
}
.main {
  height: calc(90vh - 30px);
  margin: 20px;
}
.obstacle{
  background-color: rgb(240, 121, 29) !important;
}
.none{
  display: none !important;
}
.modal{
  position: relative;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 100000;
}
.modal .content{
  position: fixed;
  width: 25%;
  height: 20%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #ccc;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  z-index: 10;
}
.modal .content .box{
  display: flex;
  width: 100%;
  justify-content: space-around;
  height: 50%;
  align-items: center;
}
.modal .content button{
  height: 80%;
  padding: 0 10%;
  cursor: pointer;
}
.statistics{
  flex-direction: column;
}
.statistics p{
  line-height: 40px;
}
.statistics button{
  cursor: pointer;
  line-height: 30px;
  margin-top: 20px;
}
.suspend::after, .suspend::before{
  content: "";
  display: block;
  position: absolute;
  z-index: 1000;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.suspend::after{
  width: 70%;
  height: 90%;
  border: 20px solid rgb(251, 251, 251, 0.5);
  border-radius: 50%;
}
.suspend::before{
  border: 300px solid rgb(251, 251, 251, 0.5);
  border-right: none;
  border-top-color: transparent;
  border-bottom-color: transparent;
  left: 53%;
}
.map .row .col .speedup{
  background-color: rgb(107, 106, 106);
  /* animation: speedup 0.5s; */
}

/* @keyframes speedup {
  0% {
    background-color: #ccc;
  }
  50% {
    background-color: #000;
  }
  100% {
    background-color: yellow;
  }
} */