* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  cursor: default;
  user-select: none;
}
body {
  width: 100%;
  height: 100%;
  background-color: #151726;
}
body:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  transform: translate(-25%, -25%);
  width: 30%;
  height: 60%;
  border-radius: 50%;
  background: linear-gradient(#ee9ca7, #ffdde1);
}
.big_box {
  width: 90vw;
  height: 80vh;
  min-width: 1200px;
  min-height: 530px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 10vh;
  padding: 0 50px 50px 50px;
}
.main_game {
  position: relative;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  box-shadow: 20px 20px 50px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  border-top: 1px solid rgba(255, 255, 255, 0.5);
  border-left: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 30px;
  overflow: hidden;
}
.main_game .login {
  width: 30%;
  margin: 5% auto;
}
.main_game .login h1 {
  text-align: center;
  margin-bottom: 30px;
  color: white;
}
.main_game .login .check {
  margin-top: -20px;
  margin-bottom: 10px;
}
.main_game .login .check label {
  color: white;
}
.main_game .login .btn {
  cursor: pointer;
  width: 100%;
  background-color: lightblue;
  padding: 15px;
  border: 0;
  font-size: 16px;
  font-family: inherit;
}
.main_game .login .btn:active {
  transform: scale(0.98);
}
.main_game .login .form-control {
  width: 100%;
  margin: 20px 0 40px;
  position: relative;
}
.main_game .login .form-control .condition {
  position: absolute;
  top: 50%;
  right: -10px;
  transform: translate(100%, -50%);
  color: #fff;
}
.main_game .login .form-control .condition svg {
  vertical-align: middle;
  display: none;
}
.main_game .login .form-control input {
  background-color: transparent;
  border: 0;
  border-bottom: 2px solid white;
  display: block;
  width: 100%;
  padding: 15px 0;
  font-size: 18px;
  color: white;
  outline: 0;
}
.main_game .login .form-control label {
  position: absolute;
  left: 0;
  top: 15px;
  color: white;
}
.main_game .login .form-control label span {
  display: inline-block;
  font-size: 18px;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}