* {
  margin: 0;
  font-family: Segoe UI;
  font-size: 14pt;
  color: white;
}

header {
  margin-top: 1%;
  margin-bottom: 5%;
  height: 20%;
  background-color: black;
  opacity: 0.91;
}

body {
  background-color: black;
}

nav {
  display: grid;
  grid-template-columns: 90px 1fr 1fr;
  align-items: center;
}

.logo {
  margin-left: 50%;
}

.caption {
  margin-left: 5%;
}

.menu li {
  display: inline-block;
  padding: 1%;
  font-weight: bold;
  margin-left: 5%;
  font-size: 87%;
}

.menu li:hover {
    background-color: #dc3545;
    color: black;
    text-decoration: underline;
    text-decoration-color: #dc3545;
    text-underline-offset: 15px;
}

.current {
  background-color: #dc3545;
  opacity: 0.7;
  color: #131313;
  text-decoration: underline;
  text-decoration-color: #dc3545;
  text-underline-offset: 15px;
}

.caption {
  font-size: 14pt;
  display: inline-block;
  justify-content: center;
  align-items: center;}
  .caption .glitch {
    color: #fff;
    font-family: Segoe UI;
    font-size: 14pt;
    position: relative;
  }
    .caption .glitch:before, .caption .glitch:after {
      content: 'КИБЕРСТАЛКЕР ПОД ПРИКРЫТИЕМ';
      color: #fff;
      position: absolute;
      top: 0;
      overflow: hidden;
      }
    .caption .glitch:before {
      left: -7px;
      padding-left: 5px;
      text-shadow: -3px 0 red;
      animation: glitch-before 2s linear 0.7s infinite alternate; }
    .caption .glitch:after {
      left: 7px;
      padding-right: 5px;
      text-shadow: -3px 0 blue;
      animation: glitch-after 2s linear 0.7s infinite alternate; }

@keyframes glitch-before {
  0% {
    clip: rect(121px, 350px, 73px, 30px); }
  5% {
    clip: rect(47px, 350px, 53px, 30px); }
  10% {
    clip: rect(112px, 350px, 147px, 30px); }
  15% {
    clip: rect(74px, 350px, 75px, 30px); }
  20% {
    clip: rect(24px, 350px, 145px, 30px); }
  25% {
    clip: rect(68px, 350px, 102px, 30px); }
  30% {
    clip: rect(79px, 350px, 112px, 30px); }
  35% {
    clip: rect(12px, 350px, 34px, 30px); }
  40% {
    clip: rect(69px, 350px, 145px, 30px); }
  45% {
    clip: rect(33px, 350px, 96px, 30px); }
  50% {
    clip: rect(99px, 350px, 76px, 30px); }
  55% {
    clip: rect(74px, 350px, 1px, 30px); }
  60% {
    clip: rect(99px, 350px, 136px, 30px); }
  65% {
    clip: rect(140px, 350px, 137px, 30px); }
  70% {
    clip: rect(116px, 350px, 32px, 30px); }
  75% {
    clip: rect(90px, 350px, 7px, 30px); }
  80% {
    clip: rect(55px, 350px, 138px, 30px); }
  85% {
    clip: rect(71px, 350px, 38px, 30px); }
  90% {
    clip: rect(12px, 350px, 28px, 30px); }
  95% {
    clip: rect(131px, 350px, 141px, 30px); }
  100% {
    clip: rect(91px, 350px, 113px, 30px); } }

@keyframes glitch-after {
  0% {
    clip: rect(96px, 350px, 96px, 30px); }
  5% {
    clip: rect(96px, 350px, 131px, 30px); }
  10% {
    clip: rect(38px, 350px, 4px, 30px); }
  15% {
    clip: rect(112px, 350px, 110px, 30px); }
  20% {
    clip: rect(94px, 350px, 127px, 30px); }
  25% {
    clip: rect(129px, 350px, 89px, 30px); }
  30% {
    clip: rect(19px, 350px, 28px, 30px); }
  35% {
    clip: rect(32px, 350px, 14px, 30px); }
  40% {
    clip: rect(121px, 350px, 135px, 30px); }
  45% {
    clip: rect(77px, 350px, 137px, 30px); }
  50% {
    clip: rect(20px, 350px, 37px, 30px); }
  55% {
    clip: rect(106px, 350px, 19px, 30px); }
  60% {
    clip: rect(117px, 350px, 45px, 30px); }
  65% {
    clip: rect(25px, 350px, 138px, 30px); }
  70% {
    clip: rect(22px, 350px, 49px, 30px); }
  75% {
    clip: rect(137px, 350px, 68px, 30px); }
  80% {
    clip: rect(43px, 350px, 27px, 30px); }
  85% {
    clip: rect(6px, 350px, 66px, 30px); }
  90% {
    clip: rect(108px, 350px, 30px, 30px); }
  95% {
    clip: rect(37px, 350px, 142px, 30px); }
  100% {
    clip: rect(55px, 350px, 11px, 30px); } }

.subtitle {
  font-size: 87%;
  color: #dc3545;
  letter-spacing: 3px;
}

.module {
  margin: 3%;
  padding: 1%;
  width: 25%;
  border: 1px solid grey;
}

.content {
  display: inline-block;
}

.alert {
  text-align: center;
  font-size: 200%;
}