function ripple(el, opts = {}) {
    const time = opts.time || (+el.getAttribute("data-time") || 1000) * 3;
    const color = opts.color || el.getAttribute("data-color") || "currentColor";
    const opacity = opts.opacity || el.getAttribute("data-opacity") || ".3";
    const event = opts.event || el.getAttribute("data-event") || "click";
    el.style.overflow = "hidden";
    el.style.position = "relative";
    el.addEventListener(event, (e) => {
        if (el.disabled) return;
        var ripple_div = document.createElement("DIV");
        ripple_div.style.position = "absolute";
        ripple_div.style.background = `${color}`;
        ripple_div.style.borderRadius = "50%";
        var bx = el.getBoundingClientRect();
        var largestdemensions;
        if (bx.width > bx.height) {
            largestdemensions = bx.width * 3;
        } else {
            largestdemensions = bx.height * 3;
        }
        ripple_div.style.pointerEvents = "none";
        ripple_div.style.height = `${largestdemensions}px`;
        ripple_div.style.width = `${largestdemensions}px`;
        ripple_div.style.transform = `translate(-50%, -50%) scale(0)`;
        ripple_div.style.top = `${e.pageY - (bx.top + window.scrollY)}px`;
        ripple_div.style.left = `${e.pageX - (bx.left + window.scrollX)}px`;
        ripple_div.style.transition = `opacity ${time}ms ease, transform ${time}ms ease`;
        ripple_div.removeAttribute("data-ripple");
        ripple_div.style.opacity = opacity;
        el.appendChild(ripple_div);
        setTimeout(() => {
        ripple_div.style.transform = `translate(-50%, -50%) scale(1)`;
        ripple_div.style.opacity = "0";
        setTimeout(() => {
            ripple_div.remove();
        }, time);
        }, 1);
    });
}