div css绘图山夜

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css

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html

css

:root {
    --clr1-dark: #240940;
    --clr1: #3e0f6d;
    --clr1-light: #57159a;
    --clr2-dark: #010327;
    --clr2: #020659;
    --clr2-light: #030a8b;
    --clr3-dark: #00010e;
    --clr3: #010440;
    --clr3-light: #020772;
    --clr4-dark: #1571ab;
    --clr4: #1a90d9;
    --clr4-light: #3ea7e8;
}

*,
html,
body {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: radial-gradient(circle at 0 0, var(--clr3), var(--clr2));
    display: grid;
    height: 100vh;
    place-items: center;
}

#pstr {
    background: radial-gradient(circle at 0 0, var(--clr2-dark), var(--clr3-light));
    border-radius: 3vmin;
    box-shadow: 0 16vmin 24vmin -4vmin var(--clr4-dark);
    height: 75vmin;
    overflow: hidden;
    position: relative;
    width: 75vmin;
}

#star {
    height: 75vmin;
    position: absolute;
    width: 75vmin;
    /* mix-blend-mode: overlay; */
    z-index: 0;
}

#star>* {
    border-radius: 100%;
    position: absolute;
}

#moon {
    background: transparent;
    border-radius: 100%;
    box-shadow: -1vmin -1vmin 0 var(--clr4-light) inset;
    height: 7vmin;
    left: 35vmin;
    position: absolute;
    top: 10vmin;
    width: 7vmin;
}

.mntn,
.mntn2,
.mntn::before,
.mntn::after,
.mntn2::after,
.mntn2::before {
    border-radius: 5vmin;
}

.mntn {
    background-color: var(--clr2);
    height: 60vmin;
    position: relative;
    transform: rotate(45deg) translate(10vmin, 50vmin);
    width: 60vmin;
}

.mntn::after {
    background-color: var(--clr2-light);
    content: '';
    height: 80vmin;
    position: absolute;
    transform: translate(30vmin, -50vmin);
    width: 80vmin;
    z-index: 1;
}

.mntn::before {
    background-color: var(--clr2-dark);
    content: '';
    height: 80vmin;
    position: absolute;
    transform: translate(10vmin, -20vmin);
    width: 80vmin;
    z-index: 2;
}

.mntn2 {
    background-color: var(--clr3-dark);
    height: 60vmin;
    position: relative;
    transform: rotate(45deg) translate(15vmin, -25vmin);
    width: 60vmin;
}

.mntn2::after {
    background-color: var(--clr3);
    content: '';
    height: 60vmin;
    position: absolute;
    transform: translate(-50vmin, 50vmin);
    width: 60vmin;
}

.mntn2::before {
    background-color: var(--clr3-light);
    content: '';
    height: 60vmin;
    position: absolute;
    transform: translate(-15vmin, 33vmin);
    width: 60vmin;
}

JavaScript

for (var i = 0; i < window.innerWidth / 6; i++) {
    var s = Math.round(Math.random() * 4);
    var x = Math.round(Math.random() * 100);
    var y = Math.round(Math.random() * 100);
    var o = Math.ceil((Math.random() * 100) / 20) * 20;
    var c = Math.round(o * 2.5499999999999997) * 3;

$("#star").append(
        $('<span>')
        .addClass('star')
        .css({
            width: s,
            height: s,
            top: y + '%',
            left: x + '%',
            background: 'rgb(' + 67 + ',' + 167 + ',' + c + ')',
            zIndex: o * 10
        })
        .data({
            x: x,
            y: y,
            o: o
        })
    );
}

$(document).on('mousemove touchmove', function(e) {
    if (Object.prototype.toString.call(e.originalEvent) === "[object TouchEvent]") {
        e.clientX = e.originalEvent.touches[0].clientX;
        e.clientY = e.originalEvent.touches[0].clientY;
    }

var centerX = window.innerWidth / 2;
    var centerY = window.innerHeight / 2;

$('.star').each(function() {
        var curX = (centerX - e.clientX) / centerX * ($(this).data('o') / 100);
        var curY = (centerY - e.clientY) / centerY * ($(this).data('o') / 100);

$(this).css({
            top: $(this).data('y') - curY + '%',
            left: $(this).data('x') - curX + '%'
        })
    });

return false;
})

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