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CSS

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HTML 

              
                .canvas
  .snowing
    .small-snow
      -for (i=0 ; i<20 ; i++)
        .small
    .medium-snow
      -for (i=0 ; i<20 ; i++)
        .medium
  -for (i=0 ; i<12 ; i++)
    .tree
  .tree-parts
    -for (i=0 ; i<30 ; i++)
      .tree-part
  .house
    .front
      .a
      .b
      .c
      .d
      .e
      -for (i=0 ; i<6 ; i++)
        span.f
      .g
      .k
    .side
      .wall-snow
      .w-area
        .w-outer
        .window
          .w-inner
          .w-shadow
      .w-area
        .w-outer
        .window
          .w-inner
          .w-shadow
  .ground-d
  .ground-a
  .ground-b
  .ground-c
!

CSS 

              
                body {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #65a5a4;
  overflow: hidden;
}

.canvas {
  flex-shrink: 0;
  width: 800px;
  height: 600px;
  overflow: hidden;
  position: relative;
  background-color: #aeebdd;
  border-radius: 6px;
  box-shadow: 0px 0px 52px -10px rgba(23,102,90,1);
}

.house {
  position: absolute;
  left: 130px;
  bottom: 40px;
  height: 370px;
  z-index: 1;
}

.front {
  clip-path: polygon(50% 0%, 5% 100%, 95% 100%);
  height: 370px;
  width: 280px;
  background-color: #77545c;
  position: absolute;
  left: 0;
  top: 0;
}

.front:before {
  width: 170px;
  position: absolute;
  left: 41px;
  height: 17px;
  content: "";
  z-index: 1;
  bottom: 0;
  background-color: #e3e7ec;
  transform: skew(-60deg);
}

.front .a {
  clip-path: polygon(61% 0px, 53.82% 72.15%, 0px 100%, 53% 0px);
  transform: rotate(-3deg);
  background-color: #583642;
  position: absolute;
  left: 16px;
  top: 0;
  width: 100%;
  height: 100%;
}

.front .b {
  clip-path: polygon(61.70% 3px, 8.28% 104.6%, -11px 101.62%, 44.48% -6px);
  background-color: #77545c;
  position: absolute;
  right: -9px;
  transform: rotateY(-147deg);
  top: 0;
  height: 100%;
  width: 100%;
  z-index: 2;
}

.front .c {
clip-path: polygon(53.87% 20.38%, 18% 100%, 86.29% 99.73%);
  height: 370px;
  width: 280px;
  background-color: #8e4940;
  position: absolute;
  top: 0;
  left: 0;
}

.front .f {
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: #a95b41;
  z-index: 2;
  left: 150px;
  bottom: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 3px #a95b41 inset, 0 0 0 4px rgba(65, 10, 34, 0.25) inset;
  
  &:after {
    content: "";
    position: absolute;
    border: 1px solid rgba(65, 10, 34, 0.25);
    border-radius: 50%;
    width: 9px;
    height: 9px;
    left: 5px;
    top: 5px;
  }
  
   &:before {
    content: "";
    position: absolute;
    border: 1px solid rgba(65, 10, 34, 0.25);
    border-radius: 50%;
    width: 5px;
    height: 5px;
    left: 7px;
    top: 7px;
  }
  
  &:nth-of-type(2) {
    left: 170px;
  }
  &:nth-of-type(3) {
    left: 190px;
  }
  &:nth-of-type(4) {
    left: 180px;
    bottom: 16px;
  }
  &:nth-of-type(5) {
    left: 160px;
    bottom: 16px;
  }
  &:nth-of-type(6) {
    left: 170px;
    bottom: 33px;
  }
}

.front .g {
  position: absolute;
  width: 100px;
  height: 52px;
  bottom: 0;
  left: 170px;
  background-color: #410a22;
  z-index: 1;
  transform:skew(-30deg);
}

.front .e {
  position: absolute;
  bottom: 12px;
  z-index: 1;
  left: 122px;
  width: 42px;
  border-left: 10px solid;
  border-top: 10px solid;
  border-right: 10px solid;
  border-color: #9b5642;
  height: 110px;
  background-color: #69424d;
  box-shadow: 4px 4px 0 0 #4d323e inset, 2px 0 0 #7d402f;
}

.front .e:after,
.front .e:before {
  content: "";
  position: absolute;
  left: 10px;
  width: 10px;
  height: 38px;
  background-color: rgba(#4d323e ,.45);
  box-shadow: 15px 0 0 0 rgba(#4d323e ,.45);
}

.front .e:after { top: 10px; }
.front .e:before { top: 60px; }

.front .k {
  position: absolute;
  border:  2px solid #4d323e;
  width: 40px;
  height: 60px;
  top: 150px;
  left: 132px;
  background: linear-gradient(118deg, rgba(225,150,96,1) 12%, rgba(253,213,141,1) 65%);
  box-shadow: 2px 2px 0 inset #8f4b41;
  
  &:after {
    content: "";
    position: absolute;
    width: 100%;
    height: 2px;
    top: 14px;
    left: 0;
    background-color: #4d323e;
    box-shadow: 0 16px 0 #4d323e, 0 32px 0 #4d323e;
  }
  
  &:before {
    content: "";
    position: absolute;
    width: 2px;
    height: 100%;
    top: 0;
    left: calc(50% - 1px);
    background-color: #4d323e;
  }
}

.side {
  position: absolute;
  width: 460px;
  height: 370px;
  clip-path: polygon(20px 1px, 67.61% 5px, 100% 100%, 31.53% 100.54%);
  top: 0;
  left: 120px;
  background: linear-gradient(200deg, rgba(187,46,45,1) 12%, rgba(122,52,60,1) 98%);
  
  &:after {
    content: "";
    position: absolute;
    height: 100%;
    width: 2px;
    color: #e4a06880;
    background-color: currentColor;
    left: 140px;
    top: 0;
    transform: skew(20deg);
    box-shadow: 6px 0 0, 60px 0 0, 66px 0 0, 120px 0 0, 126px 0 0, 180px 0 0, 186px 0 0;
    z-index: -1;
  }
  
  &:before {
    content: "";
    position: absolute;
    width: 100%;
    height: 20px;
    background: #b1302f;
  }
}

.window {
  position: absolute;
  left: 129px;
  top: 80px;
  clip-path: polygon(50% 30%, 0% 100%, 100% 100%);
  background-color: #5c3944;
  width: 60px;
  height: 60px;
  z-index: 2;
}

.w-inner {
  position: absolute;
  width: 100%;
  height: 100%;
  content: "";
  background: linear-gradient(118deg, #e19660 47%, #fdd58d 65%);
  right: 3px;
  top: 0;
  clip-path: polygon(50% 30%, 0% 100%, 100% 100%);
  
  &:after {
    content: "";
    width: 100%;
    height: 3px;
    background-color: #5c3944;
    position: absolute;
    top: 41px;
    left: 0;
  }
 
  &:before {
    content: "";
    width: 3px;
    height: 100%;
    background-color: #5c3944;
    position: absolute;
    top: 0;
    left: 50%;
  }
}

.w-shadow {
  position: absolute;
  left: -62%;
  top: 0;
  width: 100%;
  height: 100%;
  transform: rotate(25deg);
  background-color: rgba(0,0,0,.15);
}

.w-outer {
  position: absolute;
  top: 70px;
  left: 124px;
  width: 70px;
  height: 70px;
  clip-path: polygon(50% 30%, 0% 100%, 100% 100%);
  background: #955853;
}

.w-area:before {
  position: absolute;
  left: 100px;
  top: 80px;
  height: 70px;
  width: 60px;
  clip-path: polygon(16px 51.85%, 46.99% 17px, 98.33% 11px, 40.67% 85.71%);
  content: "";
  background: linear-gradient(0deg, #611e22 0%, #ab2c2a 100%);
}

.w-area:nth-child(2) {
  position: absolute;
  left: 120px;
}

.ground-a {
  position: absolute;
  left: -100px;
  bottom: -70px;
  width: 280px;
  height: 180px;
  border-radius: 40%;
  background-color: #f6f5ff;
  transform: rotate(25deg);
  z-index: 2;
  
  &:after {
    content: "";
    position: absolute;
    left: -20px;
    top: 20px;
    width: 160px;
    height: 100px;
    transform: rotate(-25deg);
    background-color: #fff;
    border-radius: 50%;
  }
}

.ground-b {
  position: absolute;
  left: 400px;
  bottom: -80px;
  height: 160px;
  width: 250px;
  background-color: #fff;
  z-index: 1;
  transform: scaleX(1.2) skewx(20deg);
  border-radius: 80% 25%;
}

.ground-c {
  position: absolute;
  left: 300px;
  bottom: -70px;
  height: 120px;
  width: 200px;
  background-color: #edf1f7;
  z-index: 1;
 
  border-radius: 80% 65%;
}

.ground-d {
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 100%;
  height: 50px;
  background-color:#f6f5ff;
  z-index: 1;
}

.tree {
  position: absolute;
  clip-path: polygon(50% 0%, 15% 100%, 88% 100%);
  width:300px;
  height: 700px;
  
  &:nth-child(1) {
    background-color: #17665a;
    top: -160px;
    left: -114px;
  }
  
  &:nth-child(2) {
    background-color: #024b41;
    top: -100px;
    left: -60px;
    z-index: 1;
  }
  
  &:nth-child(3) {
    background-color: #339580;
    top: 50px;
    left: 40px;
  }
  
  &:nth-child(4) {
    background-color: #1c6f61;
    top: -100px;
    left: 170px;
    z-index: 1;
  }
  
  &:nth-child(5) {
    background-color: #339580;
    top: -20px;
    left: 240px;
    z-index: 0;
  }
  
  &:nth-child(6) {
    background-color: #339580;
    top: -20px;
    left: 460px;
  }
  
  &:nth-child(7) {
    background-color: #17665a;
    top: 120px;
    left: 560px;
  }
  
  &:nth-child(8) {
    background-color: #024b41;
    top: 300px;
    left: 510px;
    z-index: 3;
    width: 400px;
  }
  
  &:nth-child(9) {
    background-color: #024b41;
    top: 440px;
    left: 360px;
    z-index: 3;
    width: 500px;
  }
  
  &:nth-child(10) {
    background-color: #0c332d;
    top: 300px;
    left: 560px;
    z-index: 3;
    width: 500px;
  }
  
  &:nth-child(11) {
    background-color: #26816f;
    top: 0px;
    left: 640px;
  }
  
  &:nth-child(12) {
    background-color: #26816f;
    top: -40px;
    left: -150px;
  }
}

.snowing {
  position: absolute;
  filter: blur(.8px);
  z-index: 3;
  width: 100%;
  height: 100%;
}

.snowing .small {
  position: absolute;
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  animation-name: snow-fall, snow-shake;
  animation-duration: 12s, 4s;
  animation-timing-function: linear, ease-in-out;
  animation-iteration-count: infinite, infinite;
  top: -100%;
  
  &:nth-child(1) {
    left: 210px;
    top: -40px;
    animation-delay: 9s, .3s;
  }
  &:nth-child(2) {
    left: 400px;
    top: -50px;
    animation-delay: 6s, .3s;
  }
  &:nth-child(3) {
    left: 720px;
    top: -130px;
    animation-delay: 8s, .3s;
  }
  &:nth-child(4) {
    left: 140px;
    animation-delay: 10s, .3s;
  }
  &:nth-child(5) {
    left: 500px;
    animation-delay: 7s, .2s;
  }
  &:nth-child(6) {
    left: 150px;
    top: -30px;
    animation-delay: 5.2s, .3s;
  }
  &:nth-child(7) {
    left: 200px;
    top: -20px;
    animation-delay: 3.4s, .3s;
  }
  &:nth-child(8) {
    left: 70px;
    top: -330px;
    animation-delay: 6.6s, .3s;
  }
  &:nth-child(9) {
    left: 380px;
    top: -90px;
    animation-delay: 5.6s, .3s;
  }
  &:nth-child(10) {
    left: 130px;
    animation-delay: 11s, .2s;
  }
  &:nth-child(11) {
    left: 20px;
    animation-delay: 10.5s, .3s;
  }
  &:nth-child(12) {
    left: 620px;
    top: -40px;
    animation-delay: 8s, .3s;
  }
  &:nth-child(13) {
    left: 400px;
    top: -180px;
    animation-delay: 3.7s, 3s;
  }
  &:nth-child(14) {
    left: 500px;
    top: -370px;
    animation-delay: 6s, .3s;
  }
  &:nth-child(15) {
    left: 660px;
    top: -20px;
    animation-delay: 9s, .3s;
  }
  &:nth-child(16) {
    left: 610px;
    top: -80px;
    animation-delay: 7.3s, .3s;
  }
  &:nth-child(17) {
    left: 20px;
    top: -210px;
    animation-delay: 6.8s, 2s;
  }
  &:nth-child(18) {
    left: 670px;
    top: -200px;
    animation-delay: 6.5s, .6s;
  }
  &:nth-child(19) {
    left: 210px;
    top: -120px;
    animation-delay: 4s, .3s;
  }
  &:nth-child(20) {
    left: 20px;
    top: -110px;
    animation-delay: -1.1s, -.1s;
  }
}

.snowing .medium {
  position: absolute;
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
  animation-name: snow-fall, snow-shake;
  animation-duration: 12s, 4s;
  animation-timing-function: linear, ease-in-out;
  animation-iteration-count: infinite, infinite;
  top: -100%;
  
  &:nth-child(1) {
    left: 300px;
    top: -420px;
    animation-delay: 3.4s, 1s;
  }
  &:nth-child(2) {
    left: 530px;
    animation-delay: .2s, .1s;
  }
  &:nth-child(3) {
    left: 340px;
    top: -110px;
    animation-delay: 6s, 2s;
  }
  &:nth-child(4) {
    left: 250px;
    top: -390px;
    animation-delay: 3.4s, 3s;
  }
  &:nth-child(5) {
    left: 400px;
    top: -150px;
    animation-delay: 8.4s, .3s;
  }
  &:nth-child(6) {
    left: 720px;
    top: -240px;
    animation-delay: 7.7s, 1s;
  }
  &:nth-child(7) {
    left: 350px;
    top: -180px;
    animation-delay: 6s, 0.5s;
  }
  &:nth-child(8) {
    left: 560px;
    animation-delay: 1s, 0.5s;
  }
  &:nth-child(9) {
    left: 10px;
    top: -310px;
    animation-delay: 8.2s, 0.5s;
  }
  &:nth-child(10) {
    left: 40px;
    top: -220px;
    animation-delay: 3s, 1s;
  }
  &:nth-child(11) {
    left: 220px;
    top: -530px;
    animation-delay: .6s, 3s;
  }
  &:nth-child(12) {
    left: 630px;
    top: -10px;
    animation-delay: 9.4s, 2s;
  }
  &:nth-child(13) {
    left: 420px;
    top: -60px;
    animation-delay: 8s, 3s;
  }
  &:nth-child(14) {
    left: 580px;
    animation-delay: 2s, .3s;
  }
  &:nth-child(15) {
    left: 420px;
    top: -180px;
    animation-delay: 7s, 1s;
  }
  &:nth-child(16) {
    left: 360px;
    animation-delay: 8s, .3s;
  }
  &:nth-child(17) {
    left: 90px;
    top: -190px;
    animation-delay: 4.5s, 1s;
  }
  &:nth-child(18) {
    left: 130px;
    top: -330px;
    animation-delay: 8.2s, 1s;
  }
  &:nth-child(19) {
    left: 150px;
    top: -490px;
    animation-delay: 6.5s, .1s;
  }
  &:nth-child(20) {
    left: 640px;
    top: -270px;
    animation-delay: 10s, 1.5s;
  }
}

@keyframes snow-fall {
  0% {
    top: -10%;
  }
  100% {
    top: 100%;
  }
}
@keyframes snow-shake {
  0% {
    transform: translateX(0px);
  }
  50% {
    transform: translateX(60px);
  }
  100% {
    transform: translateX(0px);
  }
}

.wall-snow {
  position: absolute;
  background-color: #f9f8ff;
  width: 100%;
  height: 40px;
  top: 20px;
  
  &:before {
    content: "";
    position: absolute;
    width: 120px;
    height: 80px;
    border-radius: 50%;
    background-color: #f9f8ff;
    top: 0px;
    left: 40px;
  }
  
  &:after {
    content: "";
    position: absolute;
    width: 200px;
    height: 70px;
    border-radius: 50%;
    background-color: #f9f8ff;
    top: 0px;
    left: 140px;
    transform: rotate(-2deg);
  }
}

.tree-part {
  position: absolute;
  clip-path: polygon(33% 0, 0% 100%, 100% 24%);
  width: 28px;
  height: 24px;
  z-index: 3;
  
  &:nth-child(1) {
    top: 300px;
    left: 20px;
    background-color: #26816f;
  }
  
  &:nth-child(2) {
    top: 100px;
    left: 46px;
    background-color: #aeebdd;
  }
  
  &:nth-child(3) {
    top: 180px;
    left: 154px;
    background-color: #aeebdd;
  }
  
  &:nth-child(4) {
    top: 120px;
    left: 274px;
    background-color: #aeebdd;
  }
  
  &:nth-child(5) {
    top: 100px;
    left: 358px;
    background-color: #aeebdd;
  }
  
  &:nth-child(6) {
    top: 180px;
    left: 570px;
    background-color: #aeebdd;
  }
  
  &:nth-child(7) {
    top: 90px;
    left: 576px;
    background-color: #aeebdd;
  }
  
  &:nth-child(8) {
    top: 220px;
    left: 680px;
    background-color: #aeebdd;
  }
  
  &:nth-child(9) {
    top: 280px;
    left: 670px;
    background-color: #aeebdd;
  }
  
  &:nth-child(10) {
    top: 380px;
    left: 660px;
    background-color: #339580;
  }
  
  &:nth-child(11) {
    top: 420px;
    left: 674px;
    background-color: #17665a;
  }
  
  &:nth-child(12) {
    top: 360px;
    left: 680px;
    background-color: #17665a;
  }
  
  &:nth-child(13) {
    top: 360px;
    left: 680px;
    background-color: #17665a;
  }
  
  &:nth-child(14) {
    top: 200px;
    left: 750px;
    background-color: #aeebdd;
  }
  
  &:nth-child(15) {
    top: 110px;
    left: 760px;
    background-color: #aeebdd;
  }
  
  &:nth-child(16) {
    top: 340px;
    left: 730px;
    background-color: #17665a;
  }
  
  &:nth-child(17) {
    top: 440px;
    left: 760px;
    background-color: #26816f;
  }
  
  &:nth-child(18) {
    top: 150px;
    left: 410px;
    background-color: #aeebdd;
    transform: rotate(180deg);
  }
  
  &:nth-child(19) {
    top: 70px;
    left: 336px;
    background-color: #aeebdd;
    transform: rotate(180deg);
  }
  
  &:nth-child(20) {
    top: 130px;
    left: 120px;
    background-color: #aeebdd;
    transform: rotate(180deg);
  }
  
  &:nth-child(21) {
    top: 330px;
    left: 146px;
    background-color: #339580;
    transform: rotate(180deg);
  }
  
  &:nth-child(22) {
    top: 260px;
    left: 210px;
    background-color: #aeebdd;
    transform: rotate(180deg);
  }
  
  &:nth-child(23) {
    top: 260px;
    left: 644px;
    background-color: #aeebdd;
    transform: rotate(180deg);
  }
  
  &:nth-child(24) {
    top: 120px;
    left: 620px;
    background-color: #aeebdd;
    transform: rotate(180deg);
  }
}


@media screen and (max-width: 840px) {
  .canvas {
    transform: scale(.6);
  }
}

@media screen and (max-width: 520px) {
  .canvas {
    transform: scale(.4);
  }
}

@media screen and (max-height: 520px) {
  .canvas {
    transform: scale(.5);
  }
}
!

JS
!
999px

Console