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HTML
<!DOCTYPE html> <html lang="en" > <head> <meta charset="UTF-8"> <title>CodeAtNow | Gradients text </title> <link rel="stylesheet" href="./style.css"> </head> <body> <!-- partial:index.partial.html --> <main> <h1 contenteditable>Hello.</h1> </main> <!-- partial --> <script src="./script.js"></script> </body> </html>
CSS
@font-face {
font-family: "Mona Sans";
src: url("https://assets.codepen.io/64/Mona-Sans.woff2") format("woff2 supports variations"), url("https://assets.codepen.io/64/Mona-Sans.woff2") format("woff2-variations");
font-weight: 100 1000;
}
@property --bg-1-x {
syntax: "<number>";
inherits: true;
initial-value: 0;
}
@property --bg-2-x {
syntax: "<number>";
inherits: true;
initial-value: 0;
}
@property --bg-2-y {
syntax: "<number>";
inherits: true;
initial-value: 0;
}
@property --bg-3-x {
syntax: "<number>";
inherits: true;
initial-value: 0;
}
@property --bg-3-y {
syntax: "<number>";
inherits: true;
initial-value: 0;
}
:root {
--bg-color: #11131E;
--bg-grain: url("https://assets.codepen.io/64/svgNoise2.svg");
--bg-grain: url("data:image/svg+xml,%3Csvg viewBox='0 0 600 600' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
--shadow-size: max(140px, 40vw);
--shadow-size-fallback: 40vw;
--shadow-blur: 60;
--color-1: #6328da;
--color-2: #ff1bf1;
--color-3: #008cea;
--bg-1-x: 0;
--bg-1-y: 0;
--bg-2-x: 0;
--bg-2-y: 0;
--bg-3-x: 0;
--bg-3-y: 0;
}
@supports (color: color(display-p3 1 1 1)) {
:root {
--color-1: color(display-p3 0.36 0.17 0.82);
--color-2: color(display-p3 0.95 0.04 0.95);
--color-3: color(display-p3 0.01 0.53 0.99);
}
}
@media (min-width: 960px) {
:root {
--shadow-size: max(72px, 25vw);
--shadow-size-fallback: 25vw;
--shadow-blur: 80;
}
}
* {
box-sizing: border-box;
outline: calc(var(--debug) * 1px) dashed red;
}
*:before, *:after {
outline: calc(var(--debug) * 1px) dashed red;
}
html,
body {
width: 100%;
height: 100%;
padding: 0;
margin: 0;
}
body {
font-family: "Mona Sans", sans-serif;
display: grid;
grid-template-columns: repeat(1, 1fr);
background: var(--bg-color);
z-index: 1;
position: relative;
}
body:before {
content: "";
position: absolute;
display: block;
width: 100%;
height: 100%;
z-index: 1;
background: radial-gradient(circle var(--shadow-size, var(--shadow-size-fallback)) at 20vw 0, var(--color-1, red) 100%, transparent 0), radial-gradient(circle var(--shadow-size, var(--shadow-size-fallback)) at 100vw 0, var(--color-2, red) 100%, transparent 0), radial-gradient(circle calc(var(--shadow-size, var(--shadow-size-fallback)) * 1.2) at 50vw 115vh, var(--color-3, red) 100%, transparent 0);
top: 0;
left: 0;
opacity: 0.5;
filter: blur(calc(var(--shadow-blur) * 1px));
mix-blend-mode: hue;
}
body:after {
content: "";
display: block;
width: 100%;
height: 100%;
position: absolute;
z-index: -1;
top: 0;
left: 0;
filter: contrast(145%) brightness(650%) invert(100%);
mix-blend-mode: screen;
background: var(--bg-grain);
background-size: 500px;
}
main {
width: 100%;
height: 100%;
position: absolute;
top: 0;
left: 0;
display: grid;
place-items: center;
z-index: 2;
}
main h1 {
color: white;
font-size: max(72px, 15vw);
mix-blend-mode: lighten;
font-weight: 650;
font-stretch: 110%;
letter-spacing: -0.04em;
background: var(--bg-grain), conic-gradient(from 140deg at calc(var(--bg-1-x) * 1%) 90%, #1a0d00, #00011a, #fffffa, #15009e, #d232aa, #fa8c3d, #fff480, #fffffa, #7ed4fb, #040d8b, #010014), radial-gradient(ellipse at calc(var(--bg-2-x) * 1%) calc(var(--bg-2-y) * 1%), white 12%, transparent 35%), radial-gradient(ellipse at calc(var(--bg-3-x) * 1%) calc(var(--bg-3-y) * 1%), #61a8fa, transparent 35%);
background-repeat: repeat;
background-size: 500px, cover;
background-blend-mode: color-burn;
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
opacity: 1;
animation: bg 20s linear infinite alternate;
}
@keyframes bg {
0% {
--bg-1-x: calc(50 / 2);
--bg-2-y: calc(80 / 2);
--bg-2-x: calc(70 / 2);
--bg-3-y: calc(40 / 2);
--bg-3-x: calc(90 / 2);
}
25% {
--bg-1-x: 30;
--bg-2-y: 50;
--bg-2-x: 80;
--bg-3-y: 20;
--bg-3-x: 70;
}
50% {
--bg-1-x: 10;
--bg-2-y: 40;
--bg-2-x: 30;
--bg-3-y: 80;
--bg-3-x: 50;
}
75% {
--bg-1-x: 70;
--bg-2-y: 10;
--bg-2-x: 50;
--bg-3-y: 30;
--bg-3-x: 40;
}
100% {
--bg-1-x: calc(50 / 2);
--bg-2-y: calc(80 / 2);
--bg-2-x: calc(70 / 2);
--bg-3-y: calc(40 / 2);
--bg-3-x: calc(90 / 2);
}
}
JS
function getTooltipGradientColor() {
const tooltip = document.querySelector(".tooltip");
const tooltipRect = tooltip.getBoundingClientRect();
const gradientX = tooltipRect.left + tooltipRect.width / 2;
const gradientY = tooltipRect.top + tooltipRect.height;
const gradient = window.getComputedStyle(tooltip).getPropertyValue("background-image");
const canvas = document.createElement("canvas");
canvas.width = 1;
canvas.height = 1;
const ctx = canvas.getContext("2d");
ctx.rect(0, 0, 1, 1);
const gradientObj = ctx.createLinearGradient(0, 0, 0, 1);
gradientObj.style = gradient;
ctx.fillStyle = gradientObj;
ctx.fill();
const imageData = ctx.getImageData(0, 0, 1, 1);
const red = imageData.data[0];
const green = imageData.data[1];
const blue = imageData.data[2];
return `rgb(${red}, ${green}, ${blue})`;
}
function updateTooltipPosition(event) {
const tooltip = event.currentTarget;
const tooltipRect = tooltip.getBoundingClientRect();
const positionX = (event.clientX - tooltipRect.left) / tooltipRect.width * 100;
const positionY = (event.clientY - tooltipRect.top) / tooltipRect.height * 100;
tooltip.style.setProperty("--position-x", positionX);
tooltip.style.setProperty("--position-y", positionY);
const gradient = window.getComputedStyle(tooltip).getPropertyValue("background-image");
const tooltipGradientColor = getTooltipGradientColor(gradient);
console.log(tooltipGradientColor);
}
const tooltips = document.querySelectorAll(".tooltip");
tooltips.forEach((tooltip) =>
//tooltip.addEventListener("mousemove", updateTooltipPosition)
null
);
