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HTML 

              
                <!DOCTYPE html>
<html lang="en" >

<head>
  <meta charset="UTF-8">
  <title>Error 403</title>
  
    <!--<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css">-->

  <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Anton'>

      <link rel="stylesheet" href="css/style.css">

  
</head>

<body>
  
<div class="donuts">
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
  <div class="donuts_mask">403</div>
</div>
  

<!--Добавления картинки с текстом (см. ниже)-->

<div class="text">
  <h1>Доступ закрыт!</h1>
</div>
</body>

</html>
!

CSS 

              
                body {
  background: #1e2832;
  height: 100vh;
  overflow: hidden;
  display: flex;
  font-family: 'Anton', sans-serif;
  justify-content: center;
  align-items: center;
  color: rgb(236, 16, 16);
  /*font-size: 11.2rem;*/
}

.donuts {
  font-size: 11.2rem;
}
h1 {
  /*width: 20px;
  height: 20px;*/
  font-size: 2.5em;
  color: white;
  font-family: 'Times New Roman', Times, serif;
  margin-top: 300px;
  margin-right: -200px;
  margin-left: -140px;

}

.donuts_mask {
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 500px;
  height: 500px;
  position: absolute;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  background: #1e2832;
}
.donuts_mask::before {
  position: absolute;
  height: 0;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%) scale(0.99);
          transform: translate(-50%, -50%) scale(0.99);
  border-radius: 100%;
  background: #1e2832;
}
.donuts_mask:nth-child(1) {
  z-index: 10;
  -webkit-clip-path: circle(1%);
          clip-path: circle(1%);
  -webkit-animation: rotate 3000ms 664ms ease-in-out infinite;
          animation: rotate 3000ms 664ms ease-in-out infinite;
}
.donuts_mask:nth-child(1)::before {
  width: 0%;
  padding-top: 0%;
}
.donuts_mask:nth-child(2) {
  z-index: 9;
  -webkit-clip-path: circle(2%);
          clip-path: circle(2%);
  -webkit-animation: rotate 3000ms 987ms ease-in-out infinite;
          animation: rotate 3000ms 987ms ease-in-out infinite;
}
.donuts_mask:nth-child(2)::before {
  width: 10%;
  padding-top: 10%;
}
.donuts_mask:nth-child(3) {
  z-index: 8;
  -webkit-clip-path: circle(3%);
          clip-path: circle(3%);
  -webkit-animation: rotate 3000ms 722ms ease-in-out infinite;
          animation: rotate 3000ms 722ms ease-in-out infinite;
}
.donuts_mask:nth-child(3)::before {
  width: 20%;
  padding-top: 20%;
}
.donuts_mask:nth-child(4) {
  z-index: 7;
  -webkit-clip-path: circle(4%);
          clip-path: circle(4%);
  -webkit-animation: rotate 3000ms 465ms ease-in-out infinite;
          animation: rotate 3000ms 465ms ease-in-out infinite;
}
.donuts_mask:nth-child(4)::before {
  width: 30%;
  padding-top: 30%;
}
.donuts_mask:nth-child(5) {
  z-index: 6;
  -webkit-clip-path: circle(5%);
          clip-path: circle(5%);
  -webkit-animation: rotate 3000ms 439ms ease-in-out infinite;
          animation: rotate 3000ms 439ms ease-in-out infinite;
}
.donuts_mask:nth-child(5)::before {
  width: 40%;
  padding-top: 40%;
}
.donuts_mask:nth-child(6) {
  z-index: 5;
  -webkit-clip-path: circle(6%);
          clip-path: circle(6%);
  -webkit-animation: rotate 3000ms 866ms ease-in-out infinite;
          animation: rotate 3000ms 866ms ease-in-out infinite;
}
.donuts_mask:nth-child(6)::before {
  width: 50%;
  padding-top: 50%;
}
.donuts_mask:nth-child(7) {
  z-index: 4;
  -webkit-clip-path: circle(7%);
          clip-path: circle(7%);
  -webkit-animation: rotate 3000ms 360ms ease-in-out infinite;
          animation: rotate 3000ms 360ms ease-in-out infinite;
}
.donuts_mask:nth-child(7)::before {
  width: 60%;
  padding-top: 60%;
}
.donuts_mask:nth-child(8) {
  z-index: 3;
  -webkit-clip-path: circle(8%);
          clip-path: circle(8%);
  -webkit-animation: rotate 3000ms 256ms ease-in-out infinite;
          animation: rotate 3000ms 256ms ease-in-out infinite;
}
.donuts_mask:nth-child(8)::before {
  width: 70%;
  padding-top: 70%;
}
.donuts_mask:nth-child(9) {
  z-index: 2;
  -webkit-clip-path: circle(9%);
          clip-path: circle(9%);
  -webkit-animation: rotate 3000ms 454ms ease-in-out infinite;
          animation: rotate 3000ms 454ms ease-in-out infinite;
}
.donuts_mask:nth-child(9)::before {
  width: 80%;
  padding-top: 80%;
}
.donuts_mask:nth-child(10) {
  z-index: 1;
  -webkit-clip-path: circle(10%);
          clip-path: circle(10%);
  -webkit-animation: rotate 3000ms 334ms ease-in-out infinite;
          animation: rotate 3000ms 334ms ease-in-out infinite;
}
.donuts_mask:nth-child(10)::before {
  width: 90%;
  padding-top: 90%;
}
.donuts_mask:nth-child(11) {
  z-index: 0;
  -webkit-clip-path: circle(11%);
          clip-path: circle(11%);
  -webkit-animation: rotate 3000ms 404ms ease-in-out infinite;
          animation: rotate 3000ms 404ms ease-in-out infinite;
}
.donuts_mask:nth-child(11)::before {
  width: 100%;
  padding-top: 100%;
}
.donuts_mask:nth-child(12) {
  z-index: -1;
  -webkit-clip-path: circle(12%);
          clip-path: circle(12%);
  -webkit-animation: rotate 3000ms 313ms ease-in-out infinite;
          animation: rotate 3000ms 313ms ease-in-out infinite;
}
.donuts_mask:nth-child(12)::before {
  width: 110%;
  padding-top: 110%;
}
.donuts_mask:nth-child(13) {
  z-index: -2;
  -webkit-clip-path: circle(13%);
          clip-path: circle(13%);
  -webkit-animation: rotate 3000ms 922ms ease-in-out infinite;
          animation: rotate 3000ms 922ms ease-in-out infinite;
}
.donuts_mask:nth-child(13)::before {
  width: 120%;
  padding-top: 120%;
}
.donuts_mask:nth-child(14) {
  z-index: -3;
  -webkit-clip-path: circle(14%);
          clip-path: circle(14%);
  -webkit-animation: rotate 3000ms 353ms ease-in-out infinite;
          animation: rotate 3000ms 353ms ease-in-out infinite;
}
.donuts_mask:nth-child(14)::before {
  width: 130%;
  padding-top: 130%;
}
.donuts_mask:nth-child(15) {
  z-index: -4;
  -webkit-clip-path: circle(15%);
          clip-path: circle(15%);
  -webkit-animation: rotate 3000ms 732ms ease-in-out infinite;
          animation: rotate 3000ms 732ms ease-in-out infinite;
}
.donuts_mask:nth-child(15)::before {
  width: 140%;
  padding-top: 140%;
}
.donuts_mask:nth-child(16) {
  z-index: -5;
  -webkit-clip-path: circle(16%);
          clip-path: circle(16%);
  -webkit-animation: rotate 3000ms 627ms ease-in-out infinite;
          animation: rotate 3000ms 627ms ease-in-out infinite;
}
.donuts_mask:nth-child(16)::before {
  width: 150%;
  padding-top: 150%;
}
.donuts_mask:nth-child(17) {
  z-index: -6;
  -webkit-clip-path: circle(17%);
          clip-path: circle(17%);
  -webkit-animation: rotate 3000ms 420ms ease-in-out infinite;
          animation: rotate 3000ms 420ms ease-in-out infinite;
}
.donuts_mask:nth-child(17)::before {
  width: 160%;
  padding-top: 160%;
}
.donuts_mask:nth-child(18) {
  z-index: -7;
  -webkit-clip-path: circle(18%);
          clip-path: circle(18%);
  -webkit-animation: rotate 3000ms 449ms ease-in-out infinite;
          animation: rotate 3000ms 449ms ease-in-out infinite;
}
.donuts_mask:nth-child(18)::before {
  width: 170%;
  padding-top: 170%;
}
.donuts_mask:nth-child(19) {
  z-index: -8;
  -webkit-clip-path: circle(19%);
          clip-path: circle(19%);
  -webkit-animation: rotate 3000ms 890ms ease-in-out infinite;
          animation: rotate 3000ms 890ms ease-in-out infinite;
}
.donuts_mask:nth-child(19)::before {
  width: 180%;
  padding-top: 180%;
}
.donuts_mask:nth-child(20) {
  z-index: -9;
  -webkit-clip-path: circle(20%);
          clip-path: circle(20%);
  -webkit-animation: rotate 3000ms 396ms ease-in-out infinite;
          animation: rotate 3000ms 396ms ease-in-out infinite;
}
.donuts_mask:nth-child(20)::before {
  width: 190%;
  padding-top: 190%;
}
.donuts_mask:nth-child(21) {
  z-index: -10;
  -webkit-clip-path: circle(21%);
          clip-path: circle(21%);
  -webkit-animation: rotate 3000ms 738ms ease-in-out infinite;
          animation: rotate 3000ms 738ms ease-in-out infinite;
}
.donuts_mask:nth-child(21)::before {
  width: 200%;
  padding-top: 200%;
}
.donuts_mask:nth-child(22) {
  z-index: -11;
  -webkit-clip-path: circle(22%);
          clip-path: circle(22%);
  -webkit-animation: rotate 3000ms 501ms ease-in-out infinite;
          animation: rotate 3000ms 501ms ease-in-out infinite;
}
.donuts_mask:nth-child(22)::before {
  width: 210%;
  padding-top: 210%;
}
.donuts_mask:nth-child(23) {
  z-index: -12;
  -webkit-clip-path: circle(23%);
          clip-path: circle(23%);
  -webkit-animation: rotate 3000ms 469ms ease-in-out infinite;
          animation: rotate 3000ms 469ms ease-in-out infinite;
}
.donuts_mask:nth-child(23)::before {
  width: 220%;
  padding-top: 220%;
}
.donuts_mask:nth-child(24) {
  z-index: -13;
  -webkit-clip-path: circle(24%);
          clip-path: circle(24%);
  -webkit-animation: rotate 3000ms 166ms ease-in-out infinite;
          animation: rotate 3000ms 166ms ease-in-out infinite;
}
.donuts_mask:nth-child(24)::before {
  width: 230%;
  padding-top: 230%;
}
.donuts_mask:nth-child(25) {
  z-index: -14;
  -webkit-clip-path: circle(25%);
          clip-path: circle(25%);
  -webkit-animation: rotate 3000ms 659ms ease-in-out infinite;
          animation: rotate 3000ms 659ms ease-in-out infinite;
}
.donuts_mask:nth-child(25)::before {
  width: 240%;
  padding-top: 240%;
}
.donuts_mask:nth-child(26) {
  z-index: -15;
  -webkit-clip-path: circle(26%);
          clip-path: circle(26%);
  -webkit-animation: rotate 3000ms 645ms ease-in-out infinite;
          animation: rotate 3000ms 645ms ease-in-out infinite;
}
.donuts_mask:nth-child(26)::before {
  width: 250%;
  padding-top: 250%;
}
.donuts_mask:nth-child(27) {
  z-index: -16;
  -webkit-clip-path: circle(27%);
          clip-path: circle(27%);
  -webkit-animation: rotate 3000ms 389ms ease-in-out infinite;
          animation: rotate 3000ms 389ms ease-in-out infinite;
}
.donuts_mask:nth-child(27)::before {
  width: 260%;
  padding-top: 260%;
}
.donuts_mask:nth-child(28) {
  z-index: -17;
  -webkit-clip-path: circle(28%);
          clip-path: circle(28%);
  -webkit-animation: rotate 3000ms 58ms ease-in-out infinite;
          animation: rotate 3000ms 58ms ease-in-out infinite;
}
.donuts_mask:nth-child(28)::before {
  width: 270%;
  padding-top: 270%;
}
.donuts_mask:nth-child(29) {
  z-index: -18;
  -webkit-clip-path: circle(29%);
          clip-path: circle(29%);
  -webkit-animation: rotate 3000ms 714ms ease-in-out infinite;
          animation: rotate 3000ms 714ms ease-in-out infinite;
}
.donuts_mask:nth-child(29)::before {
  width: 280%;
  padding-top: 280%;
}
.donuts_mask:nth-child(30) {
  z-index: -19;
  -webkit-clip-path: circle(30%);
          clip-path: circle(30%);
  -webkit-animation: rotate 3000ms 295ms ease-in-out infinite;
          animation: rotate 3000ms 295ms ease-in-out infinite;
}
.donuts_mask:nth-child(30)::before {
  width: 290%;
  padding-top: 290%;
}
.donuts_mask:nth-child(31) {
  z-index: -20;
  -webkit-clip-path: circle(31%);
          clip-path: circle(31%);
  -webkit-animation: rotate 3000ms 485ms ease-in-out infinite;
          animation: rotate 3000ms 485ms ease-in-out infinite;
}
.donuts_mask:nth-child(31)::before {
  width: 300%;
  padding-top: 300%;
}
.donuts_mask:nth-child(32) {
  z-index: -21;
  -webkit-clip-path: circle(32%);
          clip-path: circle(32%);
  -webkit-animation: rotate 3000ms 755ms ease-in-out infinite;
          animation: rotate 3000ms 755ms ease-in-out infinite;
}
.donuts_mask:nth-child(32)::before {
  width: 310%;
  padding-top: 310%;
}
.donuts_mask:nth-child(33) {
  z-index: -22;
  -webkit-clip-path: circle(33%);
          clip-path: circle(33%);
  -webkit-animation: rotate 3000ms 227ms ease-in-out infinite;
          animation: rotate 3000ms 227ms ease-in-out infinite;
}
.donuts_mask:nth-child(33)::before {
  width: 320%;
  padding-top: 320%;
}
.donuts_mask:nth-child(34) {
  z-index: -23;
  -webkit-clip-path: circle(34%);
          clip-path: circle(34%);
  -webkit-animation: rotate 3000ms 675ms ease-in-out infinite;
          animation: rotate 3000ms 675ms ease-in-out infinite;
}
.donuts_mask:nth-child(34)::before {
  width: 330%;
  padding-top: 330%;
}
.donuts_mask:nth-child(35) {
  z-index: -24;
  -webkit-clip-path: circle(35%);
          clip-path: circle(35%);
  -webkit-animation: rotate 3000ms 159ms ease-in-out infinite;
          animation: rotate 3000ms 159ms ease-in-out infinite;
}
.donuts_mask:nth-child(35)::before {
  width: 340%;
  padding-top: 340%;
}
.donuts_mask:nth-child(36) {
  z-index: -25;
  -webkit-clip-path: circle(36%);
          clip-path: circle(36%);
  -webkit-animation: rotate 3000ms 810ms ease-in-out infinite;
          animation: rotate 3000ms 810ms ease-in-out infinite;
}
.donuts_mask:nth-child(36)::before {
  width: 350%;
  padding-top: 350%;
}
.donuts_mask:nth-child(37) {
  z-index: -26;
  -webkit-clip-path: circle(37%);
          clip-path: circle(37%);
  -webkit-animation: rotate 3000ms 154ms ease-in-out infinite;
          animation: rotate 3000ms 154ms ease-in-out infinite;
}
.donuts_mask:nth-child(37)::before {
  width: 360%;
  padding-top: 360%;
}
.donuts_mask:nth-child(38) {
  z-index: -27;
  -webkit-clip-path: circle(38%);
          clip-path: circle(38%);
  -webkit-animation: rotate 3000ms 931ms ease-in-out infinite;
          animation: rotate 3000ms 931ms ease-in-out infinite;
}
.donuts_mask:nth-child(38)::before {
  width: 370%;
  padding-top: 370%;
}
.donuts_mask:nth-child(39) {
  z-index: -28;
  -webkit-clip-path: circle(39%);
          clip-path: circle(39%);
  -webkit-animation: rotate 3000ms 436ms ease-in-out infinite;
          animation: rotate 3000ms 436ms ease-in-out infinite;
}
.donuts_mask:nth-child(39)::before {
  width: 380%;
  padding-top: 380%;
}
.donuts_mask:nth-child(40) {
  z-index: -29;
  -webkit-clip-path: circle(40%);
          clip-path: circle(40%);
  -webkit-animation: rotate 3000ms 678ms ease-in-out infinite;
          animation: rotate 3000ms 678ms ease-in-out infinite;
}
.donuts_mask:nth-child(40)::before {
  width: 390%;
  padding-top: 390%;
}
.donuts_mask:nth-child(41) {
  z-index: -30;
  -webkit-clip-path: circle(41%);
          clip-path: circle(41%);
  -webkit-animation: rotate 3000ms 676ms ease-in-out infinite;
          animation: rotate 3000ms 676ms ease-in-out infinite;
}
.donuts_mask:nth-child(41)::before {
  width: 400%;
  padding-top: 400%;
}
.donuts_mask:nth-child(42) {
  z-index: -31;
  -webkit-clip-path: circle(42%);
          clip-path: circle(42%);
  -webkit-animation: rotate 3000ms 677ms ease-in-out infinite;
          animation: rotate 3000ms 677ms ease-in-out infinite;
}
.donuts_mask:nth-child(42)::before {
  width: 410%;
  padding-top: 410%;
}
.donuts_mask:nth-child(43) {
  z-index: -32;
  -webkit-clip-path: circle(43%);
          clip-path: circle(43%);
  -webkit-animation: rotate 3000ms 533ms ease-in-out infinite;
          animation: rotate 3000ms 533ms ease-in-out infinite;
}
.donuts_mask:nth-child(43)::before {
  width: 420%;
  padding-top: 420%;
}
.donuts_mask:nth-child(44) {
  z-index: -33;
  -webkit-clip-path: circle(44%);
          clip-path: circle(44%);
  -webkit-animation: rotate 3000ms 359ms ease-in-out infinite;
          animation: rotate 3000ms 359ms ease-in-out infinite;
}
.donuts_mask:nth-child(44)::before {
  width: 430%;
  padding-top: 430%;
}
.donuts_mask:nth-child(45) {
  z-index: -34;
  -webkit-clip-path: circle(45%);
          clip-path: circle(45%);
  -webkit-animation: rotate 3000ms 862ms ease-in-out infinite;
          animation: rotate 3000ms 862ms ease-in-out infinite;
}
.donuts_mask:nth-child(45)::before {
  width: 440%;
  padding-top: 440%;
}
.donuts_mask:nth-child(46) {
  z-index: -35;
  -webkit-clip-path: circle(46%);
          clip-path: circle(46%);
  -webkit-animation: rotate 3000ms 372ms ease-in-out infinite;
          animation: rotate 3000ms 372ms ease-in-out infinite;
}
.donuts_mask:nth-child(46)::before {
  width: 450%;
  padding-top: 450%;
}
.donuts_mask:nth-child(47) {
  z-index: -36;
  -webkit-clip-path: circle(47%);
          clip-path: circle(47%);
  -webkit-animation: rotate 3000ms 699ms ease-in-out infinite;
          animation: rotate 3000ms 699ms ease-in-out infinite;
}
.donuts_mask:nth-child(47)::before {
  width: 460%;
  padding-top: 460%;
}
.donuts_mask:nth-child(48) {
  z-index: -37;
  -webkit-clip-path: circle(48%);
          clip-path: circle(48%);
  -webkit-animation: rotate 3000ms 88ms ease-in-out infinite;
          animation: rotate 3000ms 88ms ease-in-out infinite;
}
.donuts_mask:nth-child(48)::before {
  width: 470%;
  padding-top: 470%;
}
.donuts_mask:nth-child(49) {
  z-index: -38;
  -webkit-clip-path: circle(49%);
          clip-path: circle(49%);
  -webkit-animation: rotate 3000ms 168ms ease-in-out infinite;
          animation: rotate 3000ms 168ms ease-in-out infinite;
}
.donuts_mask:nth-child(49)::before {
  width: 480%;
  padding-top: 480%;
}
.donuts_mask:nth-child(50) {
  z-index: -39;
  -webkit-clip-path: circle(50%);
          clip-path: circle(50%);
  -webkit-animation: rotate 3000ms 312ms ease-in-out infinite;
          animation: rotate 3000ms 312ms ease-in-out infinite;
}
.donuts_mask:nth-child(50)::before {
  width: 490%;
  padding-top: 490%;
}

@-webkit-keyframes rotate {
  0% {
    -webkit-transform: translate(-50%, -50%) rotateZ(0deg);
            transform: translate(-50%, -50%) rotateZ(0deg);
  }
  50% {
    -webkit-transform: translate(-50%, -50%) rotateZ(360deg);
            transform: translate(-50%, -50%) rotateZ(360deg);
  }
}

@keyframes rotate {
  0% {
    -webkit-transform: translate(-50%, -50%) rotateZ(0deg);
            transform: translate(-50%, -50%) rotateZ(0deg);
  }
  50% {
    -webkit-transform: translate(-50%, -50%) rotateZ(360deg);
            transform: translate(-50%, -50%) rotateZ(360deg);
  }
}
!

JS
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Console