For the contact us or contact us section, you can use this beautiful effect for the comment or critique button. This button is made with the help of CSS and JavaScript. By clicking on this button, the button turns into a paper airplane and is thrown, and then the phrase "sent" is written instead of the button.


HTML
<!-- This script got from www.devanswer.com -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css">
<link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Inter:400,500,600,700&amp;display=swap'>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css">
<script src='https://cdnjs.cloudflare.com/ajax/libs/gsap/3.2.6/gsap.min.js'></script>
<button class="button">
    <span class="default">Send</span>
    <span class="success">Sent</span>
    <div class="left"></div>
    <div class="right"></div>
</button><div id="bcl"><a style="font-size:8pt;text-decoration:none;" href="http://www.devanswer.com">Developers Answer</a></div>

CSS
.button {
	--primary: #275EFE;
	--primary-dark: #2055EE;
	--primary-darkest: #133FC0;
	--text: #FFFFFF;
	--text-opacity: 1;
	--success: #2B3044;
	--success-scale: .2;
	--success-opacity: 0;
	--border-radius: 7;
	--overflow: hidden;
	--rotate: 0;
	--plane-x: 0;
	--plane-y: 0;
	--plane-opacity: 1;
	--left-wing-background: var(--primary);
	--left-wing-first-x: 0;
	--left-wing-first-y: 0;
	--left-wing-second-x: 50;
	--left-wing-second-y: 0;
	--left-wing-third-x: 0;
	--left-wing-third-y: 100;
	--left-body-background: var(--primary);
	--left-body-first-x: 50;
	--left-body-first-y: 0;
	--left-body-second-x: 50;
	--left-body-second-y: 100;
	--left-body-third-x: 0;
	--left-body-third-y: 100;
	--right-wing-background: var(--primary);
	--right-wing-first-x: 50;
	--right-wing-first-y: 0;
	--right-wing-second-x: 100;
	--right-wing-second-y: 0;
	--right-wing-third-x: 100;
	--right-wing-third-y: 100;
	--right-body-background: var(--primary);
	--right-body-first-x: 50;
	--right-body-first-y: 0;
	--right-body-second-x: 50;
	--right-body-second-y: 100;
	--right-body-third-x: 100;
	--right-body-third-y: 100;
	display: block;
	cursor: pointer;
	position: relative;
	border: 0;
	padding: 8px 0;
	min-width: 100px;
	text-align: center;
	margin: 0;
	line-height: 24px;
	font-family: inherit;
	font-weight: 500;
	font-size: 14px;
	background: none;
	outline: none;
	color: var(--text);
	transform: rotate(calc(var(--rotate) * 1deg)) translateZ(0);
	-webkit-appearance: none;
	-webkit-tap-highlight-color: transparent;
}
.button .left, .button .right {
	position: absolute;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	opacity: var(--plane-opacity);
	transform: translate(calc(var(--plane-x) * 1px), calc(var(--plane-y) * 1px)) translateZ(0);
}
.button .left:before, .button .left:after, .button .right:before, .button .right:after {
	content: "";
	position: absolute;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	border-radius: calc(var(--border-radius) * 1px);
	transform: translate(var(--x, 0.4%), var(--y, 0)) translateZ(0);
	z-index: var(--z-index, 2);
	background: var(--background, var(--left-wing-background));
	-webkit-clip-path: polygon(calc(var(--first-x, var(--left-wing-first-x)) * 1%) calc(var(--first-y, var(--left-wing-first-y)) * 1%), calc(var(--second-x, var(--left-wing-second-x)) * 1%) calc(var(--second-y, var(--left-wing-second-y)) * 1%), calc(var(--third-x, var(--left-wing-third-x)) * 1%) calc(var(--third-y, var(--left-wing-third-y)) * 1%));
	clip-path: polygon(calc(var(--first-x, var(--left-wing-first-x)) * 1%) calc(var(--first-y, var(--left-wing-first-y)) * 1%), calc(var(--second-x, var(--left-wing-second-x)) * 1%) calc(var(--second-y, var(--left-wing-second-y)) * 1%), calc(var(--third-x, var(--left-wing-third-x)) * 1%) calc(var(--third-y, var(--left-wing-third-y)) * 1%));
}
.button .left:after {
	--x: 0;
	--z-index: 1;
	--background: var(--left-body-background);
	--first-x: var(--left-body-first-x);
	--first-y: var(--left-body-first-y);
	--second-x: var(--left-body-second-x);
	--second-y: var(--left-body-second-y);
	--third-x: var(--left-body-third-x);
	--third-y: var(--left-body-third-y);
}
.button .right:before {
	--x: -.4%;
	--z-index: 2;
	--background: var(--right-wing-background);
	--first-x: var(--right-wing-first-x);
	--first-y: var(--right-wing-first-y);
	--second-x: var(--right-wing-second-x);
	--second-y: var(--right-wing-second-y);
	--third-x: var(--right-wing-third-x);
	--third-y: var(--right-wing-third-y);
}
.button .right:after {
	--x: 0;
	--z-index: 1;
	--background: var(--right-body-background);
	--first-x: var(--right-body-first-x);
	--first-y: var(--right-body-first-y);
	--second-x: var(--right-body-second-x);
	--second-y: var(--right-body-second-y);
	--third-x: var(--right-body-third-x);
	--third-y: var(--right-body-third-y);
}
.button span {
	display: block;
	position: relative;
	z-index: 4;
	opacity: var(--text-opacity);
}
.button span.success {
	z-index: 0;
	position: absolute;
	left: 0;
	right: 0;
	top: 8px;
	transform: rotate(calc(var(--rotate) * -1deg)) scale(var(--success-scale)) translateZ(0);
	opacity: var(--success-opacity);
	color: var(--success);
}
html {
	box-sizing: border-box;
	-webkit-font-smoothing: antialiased;
}
* {
	box-sizing: inherit;
}
*:before, *:after {
	box-sizing: inherit;
}
body {
	min-height: 100vh;
	display: flex;
	justify-content: center;
	align-items: center;
	font-family: "Inter", Arial;
	background: #E1E6F9;
}
body .dribbble {
	position: fixed;
	display: block;
	right: 20px;
	bottom: 20px;
}
body .dribbble img {
	display: block;
	height: 28px;
}
body .twitter {
	position: fixed;
	display: block;
	right: 64px;
	bottom: 14px;
}
body .twitter svg {
	width: 32px;
	height: 32px;
	fill: #1da1f2;
}
Javascript
document.querySelectorAll('.button').forEach(button => {
    let getVar = variable => getComputedStyle(button).getPropertyValue(variable);
    button.addEventListener('click', e => {
        if (!button.classList.contains('active')) {
            button.classList.add('active');
            gsap.to(button, {
                keyframes: [{
                    '--left-wing-first-x': 50,
                    '--left-wing-first-y': 100,
                    '--right-wing-second-x': 50,
                    '--right-wing-second-y': 100,
                    duration: .2,
                    onComplete() {
                        gsap.set(button, {
                            '--left-wing-first-y': 0,
                            '--left-wing-second-x': 40,
                            '--left-wing-second-y': 100,
                            '--left-wing-third-x': 0,
                            '--left-wing-third-y': 100,
                            '--left-body-third-x': 40,
                            '--right-wing-first-x': 50,
                            '--right-wing-first-y': 0,
                            '--right-wing-second-x': 60,
                            '--right-wing-second-y': 100,
                            '--right-wing-third-x': 100,
                            '--right-wing-third-y': 100,
                            '--right-body-third-x': 60
                        })
                    }
                }, {
                    '--left-wing-third-x': 20,
                    '--left-wing-third-y': 90,
                    '--left-wing-second-y': 90,
                    '--left-body-third-y': 90,
                    '--right-wing-third-x': 80,
                    '--right-wing-third-y': 90,
                    '--right-body-third-y': 90,
                    '--right-wing-second-y': 90,
                    duration: .2
                }, {
                    '--rotate': 50,
                    '--left-wing-third-y': 95,
                    '--left-wing-third-x': 27,
                    '--right-body-third-x': 45,
                    '--right-wing-second-x': 45,
                    '--right-wing-third-x': 60,
                    '--right-wing-third-y': 83,
                    duration: .25
                }, {
                    '--rotate': 55,
                    '--plane-x': -8,
                    '--plane-y': 24,
                    duration: .2
                }, {
                    '--rotate': 40,
                    '--plane-x': 45,
                    '--plane-y': -180,
                    '--plane-opacity': 0,
                    duration: .3,
                    onComplete() {
                        setTimeout(() => {
                            button.removeAttribute('style');
                            gsap.fromTo(button, {
                                opacity: 0,
                                y: -8
                            }, {
                                opacity: 1,
                                y: 0,
                                clearProps: true,
                                duration: .3,
                                onComplete() {
                                    button.classList.remove('active');
                                }
                            })
                        }, 2000)
                    }
                }]
            })
            gsap.to(button, {
                keyframes: [{
                    '--text-opacity': 0,
                    '--border-radius': 0,
                    '--left-wing-background': getVar('--primary-darkest'),
                    '--right-wing-background': getVar('--primary-darkest'),
                    duration: .1
                }, {
                    '--left-wing-background': getVar('--primary'),
                    '--right-wing-background': getVar('--primary'),
                    duration: .1
                }, {
                    '--left-body-background': getVar('--primary-dark'),
                    '--right-body-background': getVar('--primary-darkest'),
                    duration: .4
                }, {
                    '--success-opacity': 1,
                    '--success-scale': 1,
                    duration: .25,
                    delay: .25
                }]
            })
        }
    })
});

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