html {
    overflow: hidden;
}
body {
    overflow: hidden;
    margin: 0;
    padding: 0;
    background: linear-gradient(90deg, #acd7f1, #fff9e8);
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    position: relative;
}
body::after {
    position: absolute;
    width: 100%;
    content: "";
    height: calc(100% - 600px);
    z-index: 0;
    background: #efefef;
    bottom: 0;
}
@keyframes spin {
    from {
        transform: rotate(0deg);
   }
    to {
        transform: rotate(360deg);
   }
}
@keyframes off {
    to {
        transform: rotate(380deg);
   }
}
@keyframes off2 {
    to {
        transform: rotate(880deg);
   }
}
@keyframes fly {
    to {
        margin-top: 50px;
   }
}
span {
    display: block;
}
.windows {
    width: 100vw;
    height: 100vh;
    position: absolute;
    z-index: 0;
    top: 0;
    left: 0;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
}
.window {
    flex: 1 20%;
    box-sizing: border-box;
    height: 300px;
    position: relative;
    border: 10px inset rgba(51, 51, 51, 0.2);
}
.window::after {
    position: absolute;
    height: 60%;
    width: 1px;
    border-radius: 10px;
    background: linear-gradient( to top, #0f80c7 20%, transparent 30%, transparent 50%, #3f7ba0 100% );
    opacity: 1;
    z-index: 5;
    top: 30px;
    left: 50%;
    transform: rotate(45deg);
    display: block;
    content: "";
}
.window::before {
    position: absolute;
    height: 40%;
    width: 1px;
    border-radius: 10px;
    background: linear-gradient( to top, #0f80c7 20%, transparent 10%, transparent 50%, #addfff 100% );
    opacity: 1;
    z-index: 5;
    top: 100px;
    left: 60%;
    transform: rotate(45deg);
    display: block;
    content: "";
}
.window:nth-child(5n - 3)::after, .window:nth-child(5n - 3)::before {
    opacity: 0.8 !important;
}
.window:nth-child(5n - 2)::after, .window:nth-child(5n - 2)::before {
    opacity: 0.4 !important;
}
.window:nth-child(5n - 1)::after, .window:nth-child(5n -1)::before {
    opacity: 0.3 !important;
}
.window:nth-child(5n)::after, .window:nth-child(5n)::before {
    opacity: 0.2 !important;
}
.fly {
    transition: 0.5s all cubic-bezier(0.04, 0.06, 0, 1.18), 1s transform;
    width: 10px;
    height: 6px;
    background: green;
    border-radius: 50%;
    position: absolute;
    animation: fly 5s alternate infinite ease-in-out;
}
.fly:nth-of-type(1) {
    top: -78px;
    left: -200px;
}
.fly:nth-of-type(2) {
    transform: translateY(-10px);
    animation-delay: 4s;
    top: 5px;
    right: -250px;
}
.fly:nth-of-type(3) {
    transform: translateY(0px);
    top: 400px;
    animation-delay: 2s;
    right: -400px;
}
.fly::after, .fly::before {
    content: "";
    position: absolute;
    width: 7px;
    height: 5px;
    background-color: rgba(0, 0, 0, 0.5);
    display: block;
    border-radius: 50%;
}
.fly::before {
    bottom: 4px;
    transform: rotate(325deg);
    left: 3px;
}
.fly::after {
    transform: rotate(45deg);
    bottom: 6px;
}
.fan {
    width: 500px;
    height: 500px;
    position: relative;
    z-index: 1;
    margin-top: 75px;
    perspective: 500px;
}
.fan::after {
    content: "";
    display: block;
    position: absolute;
    height: 364px;
    width: 200px;
    background: rgba(0, 0, 0, 0.08);
    top: calc(100% - 24px);
    left: calc(50% - 100px);
    z-index: -1;
    transform: rotateX(104deg) rotateY(-1deg) rotate(25deg);
    transform-origin: top;
}
.fan__root {
    width: 200px;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}
.fan__root .top {
    overflow: hidden;
    width: 200px;
    height: 25px;
    position: relative;
}
.fan__root .top::after {
    content: "";
    display: block;
    width: 200px;
    height: 50px;
    background: #2f423f;
    border-radius: 50%;
}
.fan__root .top .red {
    position: absolute;
    width: 30px;
    height: 15px;
    border-radius: 15px;
    display: block;
    right: 30px;
    background: #f15249;
    cursor: pointer;
    overflow: hidden;
}
.fan__root .top .green {
    position: absolute;
    width: 30px;
    height: 15px;
    border-radius: 15px;
    display: block;
    right: 85px;
    background: #32ba7c;
    cursor: pointer;
    overflow: hidden;
}
.fan__root .top .green::after {
    content: "";
    display: block;
    width: 100%;
    height: 50%;
    position: absolute;
    bottom: 0;
    background: #0aa06e;
}
.fan__root .top .red::after {
    content: "";
    display: block;
    width: 100%;
    height: 50%;
    position: absolute;
    bottom: 0;
    background: #a00000;
}
.fan__root .top .yellow {
    position: absolute;
    cursor: pointer;
    width: 30px;
    height: 15px;
    border-radius: 15px;
    display: block;
    left: 30px;
    background: #fad015;
    overflow: hidden;
}
.fan__root .top .yellow::after {
    content: "";
    display: block;
    width: 100%;
    height: 50%;
    position: absolute;
    bottom: 0;
    background: #ffd001;
}
.fan__root .bottom {
    overflow: hidden;
    width: 200px;
    height: 20px;
}
.fan__root .bottom::after {
    content: "";
    display: block;
    width: 200px;
    height: 40px;
    background: #2f423f;
    border-radius: 18%;
    transform: translateY(-30px);
}
.fan__staddle {
    position: absolute;
    bottom: 45px;
    background: #2f423f;
    height: 270px;
    width: 13px;
    left: 50%;
    transform: translateX(-50%);
}
.fan__engine {
    position: absolute;
    bottom: 0px;
    width: 130px;
    height: 130px;
    background: #2f423f;
    border-radius: 50%;
    left: 50%;
    transform: translateX(-50%);
}
.fan__engine::after {
    content: "";
    background: #2f423f;
    display: block;
    width: 25px;
    height: 50px;
    position: absolute;
    top: 105px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 0 0 5px 5px;
}
.fan__blades {
    width: 230px;
    height: 230px;
    position: absolute;
    bottom: -50px;
    transition: 2s;
    transform-origin: center center;
    left: calc(50% - 115px);
    z-index: 1;
    animation: spin infinite 0.38s linear forwards;
}
.fan__blades .fan__blades {
    bottom: 0;
    animation: spin infinite 0.5s linear forwards;
}
.fan__blades .blade {
    position: absolute;
    width: 50px;
    height: 100%;
    left: 50%;
    transform: translateX(-50%) skewY(25deg);
    perspective: 500px;
    transform-style: preserve-3d;
}
.fan__blades .blade:nth-child(2) {
    transform: translateX(-50%) rotate(90deg) skewY(25deg);
}
.fan__blades .blade:nth-child(3) {
    transform: translateX(-50%) rotate(180deg) skewY(25deg);
}
.fan__blades .blade:nth-child(4) {
    transform: translateX(-50%) rotate(270deg) skewY(25deg);
}
.fan__blades .blade span {
    width: 100%;
    height: 200%;
    border-radius: 44px;
    background: #efefef;
    position: absolute;
    top: -66px;
    display: block;
    transform-style: preserve-3d;
    transform: rotateX(81deg);
    overflow: hidden;
}
.fan__blades .blade span::after {
    width: 50%;
    height: 100%;
    content: "";
    display: block;
    background: #ffffff;
    transform: rotate(0deg);
}
.fan__blades .center {
    position: absolute;
    overflow: hidden;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    background: #ffd000;
    z-index: 2;
}
.fan__blades .center::after {
    display: block;
    content: "";
    width: 40px;
    height: 20px;
    background: #000000;
}
.head {
    transition: 1s transform;
    height: auto;
    width: auto;
    position: absolute;
    width: 300px;
    height: 300px;
    bottom: 195px;
    left: calc(50% - 150px);
   /* transform: translateX(-50%);
    */
}
#engine:checked + div > div {
    animation: off2 1s ease-out forwards;
}
#engine:checked + div > span:nth-child(1) {
    transition: 5s all ease-in-out, 1s transform;
    left: 0px;
    top: 0px;
}
#engine:checked + div > span:nth-child(2) {
    transition: 5s all ease-in-out, 1s transform;
    right: 0px;
    top: 0px;
}
#engine:checked + div > span:nth-child(3) {
    transition: 7s all ease-in-out, 1s transform;
    right: -50px;
    top: 200px;
}
#engine2:checked + div {
    animation: off 1s ease-out forwards;
}
#jack:checked + div {
    transform: translateY(-115px);
}
#jack:checked + div > div:nth-child(3) > span {
    transform: translateY(115px);
}
@media screen and (max-width: 900px) {
    .window {
        flex: 1 25% !important;
   }
}
@media screen and (max-width: 800px) {
    .window {
        flex: 1 33.3333333% !important;
   }
}
@media screen and (max-width: 700px) {
    .window {
        flex: 1 50% !important;
   }
   body{
    font-family: Arial, sans-serif;
    background-color: cadetblue;
    background: linear-gradient(90deg, cadetblue, #5085A0);
    margin:20px;
}
#divwrapper, fieldset{
    background-color: aliceblue;
    max-width: 900px;
    min-height: 100px;
    border-radius: 10px;
    padding: 2%;
    margin: 0 auto 10px;
}

#formwrapper{
    display:flex;
    flex-direction: row;
}

#leftColumn{
    width: 50%;
    padding: 1%;
}

#leftColumn fieldset p{
    display:flex;
    flex-direction: column;
    justify-content: flex-start;
    flex-wrap: wrap;
}

#leftColumn input{
    width:90%;
    padding: 5px;
    margin: 0 auto;
    margin-bottom: 10px;
}

#rightColumn{
    width: 50%;
    padding: 1%;
}

 #rightColumn fieldset p{
    display:flex;
    flex-direction: row;
    justify-content:space-between;
    flex-wrap: wrap;
}


footer{
    text-align: center;
}

.btn{
    background: #3498db;
    background-image: linear-gradient(#3498db, #2980b9);
    border-radius: 28px;
    color: #fff;
    font-size: 20px;
    padding: 10px 20px;
    text-decoration: none;
}

.btn:hover{
    background: #3cb0fd;
    background-image: linear-gradient(#3cb0fd, #3498db);
}

@media(max-width: 900px){
    #formwrapper{
        display: flex;
        flex-direction: column;
    }
    #leftColumn{
        width: 100%;
        padding: 0;
        min-height: 100px;
    }
    
    #rightColumn{
        width: 100%;
        padding: 0;
        min-height: 100px;
    }
}

}
