/* snow */
/*html {
    height: 100%;
    background: linear-gradient(#123 30%, #667);
    overflow: hidden;
}*/

.snow, .snow:before, .snow:after {
    position: absolute;
    top: -600px;
    left: 0;
    bottom: 0;
    right: 0;
    background-image: radial-gradient(3px 3px at 379px 559px, rgba(255, 255, 255, 0.9) 50%, transparent), radial-gradient(6px 6px at 147px 432px, white 50%, transparent), radial-gradient(6px 6px at 541px 483px, rgba(255, 255, 255, 0.8) 50%, transparent), radial-gradient(4px 4px at 490px 396px, white 50%, transparent), radial-gradient(5px 5px at 94px 187px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(3px 3px at 67px 141px, rgba(255, 255, 255, 0.9) 50%, transparent), radial-gradient(5px 5px at 307px 481px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(3px 3px at 402px 297px, white 50%, transparent), radial-gradient(4px 4px at 423px 108px, rgba(255, 255, 255, 0.7) 50%, transparent), radial-gradient(3px 3px at 501px 98px, white 50%, transparent), radial-gradient(3px 3px at 236px 121px, rgba(255, 255, 255, 0.9) 50%, transparent), radial-gradient(5px 5px at 373px 371px, rgba(255, 255, 255, 0.8) 50%, transparent), radial-gradient(5px 5px at 249px 354px, rgba(255, 255, 255, 0.9) 50%, transparent), radial-gradient(3px 3px at 537px 127px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(3px 3px at 518px 336px, rgba(255, 255, 255, 0.7) 50%, transparent), radial-gradient(3px 3px at 127px 17px, rgba(255, 255, 255, 0.7) 50%, transparent), radial-gradient(3px 3px at 549px 221px, rgba(255, 255, 255, 0.9) 50%, transparent), radial-gradient(5px 5px at 437px 509px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(5px 5px at 46px 311px, rgba(255, 255, 255, 0.7) 50%, transparent), radial-gradient(5px 5px at 207px 119px, white 50%, transparent), radial-gradient(5px 5px at 234px 322px, rgba(255, 255, 255, 0.7) 50%, transparent), radial-gradient(5px 5px at 450px 337px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(6px 6px at 265px 243px, rgba(255, 255, 255, 0.8) 50%, transparent), radial-gradient(4px 4px at 56px 480px, rgba(255, 255, 255, 0.7) 50%, transparent), radial-gradient(3px 3px at 468px 287px, white 50%, transparent), radial-gradient(5px 5px at 564px 394px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(5px 5px at 35px 181px, white 50%, transparent), radial-gradient(3px 3px at 172px 317px, rgba(255, 255, 255, 0.8) 50%, transparent), radial-gradient(6px 6px at 390px 577px, rgba(255, 255, 255, 0.7) 50%, transparent), radial-gradient(6px 6px at 533px 428px, rgba(255, 255, 255, 0.7) 50%, transparent), radial-gradient(3px 3px at 172px 335px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(5px 5px at 433px 85px, rgba(255, 255, 255, 0.8) 50%, transparent), radial-gradient(4px 4px at 160px 578px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(6px 6px at 212px 527px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(3px 3px at 529px 183px, rgba(255, 255, 255, 0.8) 50%, transparent), radial-gradient(4px 4px at 62px 157px, rgba(255, 255, 255, 0.8) 50%, transparent), radial-gradient(3px 3px at 438px 582px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(5px 5px at 183px 473px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(6px 6px at 417px 152px, rgba(255, 255, 255, 0.8) 50%, transparent), radial-gradient(6px 6px at 258px 85px, rgba(255, 255, 255, 0.9) 50%, transparent), radial-gradient(5px 5px at 17px 13px, white 50%, transparent), radial-gradient(3px 3px at 33px 366px, rgba(255, 255, 255, 0.8) 50%, transparent), radial-gradient(3px 3px at 112px 132px, white 50%, transparent), radial-gradient(3px 3px at 572px 473px, rgba(255, 255, 255, 0.9) 50%, transparent), radial-gradient(5px 5px at 549px 269px, rgba(255, 255, 255, 0.8) 50%, transparent), radial-gradient(6px 6px at 307px 591px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(3px 3px at 447px 250px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(4px 4px at 581px 496px, white 50%, transparent), radial-gradient(5px 5px at 488px 191px, rgba(255, 255, 255, 0.7) 50%, transparent), radial-gradient(6px 6px at 442px 462px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(4px 4px at 542px 112px, white 50%, transparent), radial-gradient(3px 3px at 264px 14px, white 50%, transparent), radial-gradient(4px 4px at 159px 147px, white 50%, transparent), radial-gradient(3px 3px at 525px 414px, white 50%, transparent), radial-gradient(3px 3px at 216px 443px, rgba(255, 255, 255, 0.9) 50%, transparent), radial-gradient(6px 6px at 588px 501px, rgba(255, 255, 255, 0.7) 50%, transparent), radial-gradient(5px 5px at 509px 304px, rgba(255, 255, 255, 0.7) 50%, transparent), radial-gradient(4px 4px at 65px 100px, rgba(255, 255, 255, 0.9) 50%, transparent), radial-gradient(6px 6px at 331px 320px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(4px 4px at 481px 459px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(3px 3px at 188px 81px, rgba(255, 255, 255, 0.7) 50%, transparent), radial-gradient(6px 6px at 244px 210px, white 50%, transparent), radial-gradient(5px 5px at 204px 530px, rgba(255, 255, 255, 0.9) 50%, transparent), radial-gradient(3px 3px at 103px 300px, white 50%, transparent), radial-gradient(3px 3px at 329px 535px, rgba(255, 255, 255, 0.6) 50%, transparent), radial-gradient(4px 4px at 205px 260px, rgba(255, 255, 255, 0.9) 50%, transparent), radial-gradient(4px 4px at 156px 290px, rgba(255, 255, 255, 0.8) 50%, transparent), radial-gradient(5px 5px at 373px 216px, white 50%, transparent), radial-gradient(5px 5px at 207px 17px, rgba(255, 255, 255, 0.7) 50%, transparent), radial-gradient(6px 6px at 576px 429px, rgba(255, 255, 255, 0.6) 50%, transparent);
    background-size: 600px 600px;
    animation: snow 3s linear infinite;
    content: "";
}

    .snow:after {
        margin-left: -200px;
        opacity: .4;
        animation-duration: 6s;
        animation-direction: reverse;
        filter: blur(3px);
    }

    .snow:before {
        animation-duration: 9s;
        animation-direction: reverse;
        margin-left: -300px;
        opacity: .65;
        filter: blur(1.5px);
    }

@keyframes snow {
    to {
        transform: translateY(600px);
    }
}

/* spider */

.spider {
    position: absolute;
    display: block;
    top: -450px;
    left: 47%;
    z-index: 9999;

    /* 4. Animatie */
    animation: swing 3s infinite;
    transform-origin: top;

    /* Bonus */
    transition: 5s ease-in-out;
}

.spider .spiderweb {
    width: 2px;
    height: 300px;
    margin-left: 46px;
    background: rgb(0,0,0);
}

.spider .body {
    width: 90px;
    height: 70px;
    background: #000;
    position: relative;
    border-radius: 50%;
}

.spider .body .eye {
    width: 24px;
    height: 24px;
    position: absolute;
    bottom: 20px;
    background: #fff;
    border-radius: 50%;
}

.spider .body .eye.left {
    left: 15px;
}

.spider .body .eye.right {
    right: 15px;
}

.spider .body .eye:after {
    background: #000;
    width: 7px;
    height: 7px;
    content: '';
    display: block;
    margin: 55%;
    border-radius: 50%;

    /* 3. Animatie */
    animation: look 8s infinite;
}

.spider .legs .leg {
    width: 80px;
    height: 40px;
    margin-top: -20px;
    border: 5px solid transparent;
    border-top-color: #000;
    border-radius: 40px 40px 0 0;
}

.spider .legs {
    position: absolute;
    bottom: -10%;
    z-index: -1;
}

.spider .legs.left {
    left: -70%;
}
.spider .legs.right {
    right: -60%;
}


.legs.left .leg:nth-child(1){
    transform: rotate(10deg);
    margin-left: 10px;
}
.legs.right .leg:nth-child(1){
    transform: rotate(-10deg);
    margin-left: -10px;
}


.legs.left .leg:nth-child(2){
    transform: rotate(-20deg);
    margin-left: 20px;
}
.legs.right .leg:nth-child(2){
    transform: rotate(20deg);
    margin-left: -20px;
}


.legs.left .leg:nth-child(3){
    transform: rotate(-50deg);
    margin-left: 30px;
}
.legs.right .leg:nth-child(3){
    transform: rotate(50deg);
    margin-left: -30px;
}

/* 1. Animatie */
@keyframes look {
    0%, 40%, 100% {
        transform: translateX(0); 
    }

    45%, 95% {
        transform: translateX(-110%);
    }
}


/* 3. Animatie */
@keyframes swing {
    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}