<div class="password-field">
    <input type="password" placeholder="Password">
    <input class="clear" type="text" placeholder="Password">
    <button>
        <svg viewBox="0 0 21 21">
            <circle class="eye" cx="10.5" cy="10.5" r="2.25" />
            <path class="top" d="M2 10.5C2 10.5 6.43686 5.5 10.5 5.5C14.5631 5.5 19 10.5 19 10.5" />
            <path class="bottom" d="M2 10.5C2 10.5 6.43686 15.5 10.5 15.5C14.5631 15.5 19 10.5 19 10.5" />
            <g class="lashes">
                <path d="M10.5 15.5V18" />
                <path d="M14.5 14.5L15.25 17" />
                <path d="M6.5 14.5L5.75 17" />
                <path d="M3.5 12.5L2 15" />
                <path d="M17.5 12.5L19 15" />
            </g>
        </svg>
    </button>
</div>

<a class="dribbble" href="https://dribbble.com/ai" target="_blank"><img src="https://cdn.dribbble.com/assets/dribbble-ball-mark-2bd45f09c2fb58dbbfb44766d5d1d07c5a12972d602ef8b32204d28fa3dda554.svg" alt=""></a>
<a class="twitter" target="_top" href="https://twitter.com/aaroniker_me"><svg xmlns="http://www.w3.org/2000/svg" width="72" height="72" viewBox="0 0 72 72"><path d="M67.812 16.141a26.246 26.246 0 0 1-7.519 2.06 13.134 13.134 0 0 0 5.756-7.244 26.127 26.127 0 0 1-8.313 3.176A13.075 13.075 0 0 0 48.182 10c-7.229 0-13.092 5.861-13.092 13.093 0 1.026.118 2.021.338 2.981-10.885-.548-20.528-5.757-26.987-13.679a13.048 13.048 0 0 0-1.771 6.581c0 4.542 2.312 8.551 5.824 10.898a13.048 13.048 0 0 1-5.93-1.638c-.002.055-.002.11-.002.162 0 6.345 4.513 11.638 10.504 12.84a13.177 13.177 0 0 1-3.449.457c-.846 0-1.667-.078-2.465-.231 1.667 5.2 6.499 8.986 12.23 9.09a26.276 26.276 0 0 1-16.26 5.606A26.21 26.21 0 0 1 4 55.976a37.036 37.036 0 0 0 20.067 5.882c24.083 0 37.251-19.949 37.251-37.249 0-.566-.014-1.134-.039-1.694a26.597 26.597 0 0 0 6.533-6.774z"></path></svg></a>
.password-field {
    --c-text: #5A5A64;
    --c-text-light: #A1A1B6;
    --c-text-selection: #09ABC3;
    --c-background: #fff;
    --c-background-selection: rgba(9, 171, 195, 0.15);
    --c-border: #E2E2ED;
    --c-border-hover: #D0D0DB;
    --c-border-active: #09ABC3;
    --c-shadow: rgba(41, 41, 86, 0.06);
    --c-shadow-active: rgba(9, 171, 195, 0.25);
    --eye-background: 0;
    --eye-offset: 3px;
    --eye-wrapper-y: 0;
    --eye-y: 0;
    --eye-x: 0;
    --eye-s: 1;
    width: 220px;
    position: relative;
    border-radius: 7px;
    background: var(--c-background);
    box-shadow: inset 0 0 0 1px var(--border, var(--c-border)), 0px 1px 3px var(--shadow, var(--c-shadow));
    transition: box-shadow .25s;
    &:hover {
        --border: var(--c-border-hover);
        --eye-duration: .05s;
    }
    &:focus-within {
        --border: var(--c-border-active);
        --shadow: var(--c-shadow-active);
    }
    input,
    button {
        -webkit-appearance: none;
        outline: none;
        background: none;
        border: none;
        margin: 0;
    }
    input {
        display: block;
        font-family: inherit;
        font-size: 16px;
        line-height: 21px;
        height: 45px;
        color: var(--c-text);
        padding: 12px 41px 12px 16px;
        transform: translateY(var(--y, var(--default-y, 0))) translateZ(0);
        opacity: var(--o, var(--default-o, 1));
        pointer-events: var(--pe, var(--default-pe, auto));
        transition: filter .35s, transform .4s, opacity .25s;
        &::placeholder {
            color: var(--c-text-light);
            transition: color .25s;
        }
        &::selection {
            color: var(--c-text-selection);
            background: var(--c-background-selection);
        }
        &:focus,
        &:hover {
            &::placeholder {
                color: var(--c-text);
            }
        }
        &:not(.clear) {
            width: 100%;
        }
        &.clear {
            --y: var(--clear-y, 12px);
            --o: var(--clear-o, 0);
            --pe: var(--clear-pe, none);
            position: absolute;
            left: 0;
            top: 0;
            right: 0;
        }
    }
    button {
        -webkit-tap-highlight-color: transparent;
        cursor: pointer;
        padding: 11px;
        position: absolute;
        z-index: 1;
        right: 0;
        top: 0;
        transform: scale(var(--s, 1));
        color: var(--c-text-light);
        transition: color .25s, transform .15s;
        &:hover {
            color: var(--c-text);
        }
        &:active {
            --s: .95;
        }
        svg {
            display: block;
            width: 23px;
            height: 23px;
            pointer-events: none;
            .top,
            .bottom,
            .lashes {
                fill: none;
                stroke: currentColor;
                stroke-width: 1.5px;
                stroke-linecap: round;
            }
            .lashes {
                stroke-dasharray: 3px;
                stroke-dashoffset: var(--eye-offset);
            }
            .top {
                fill: var(--c-background);
                fill-opacity: var(--eye-background);
            }
            .eye {
                fill: currentColor;
                transform-origin: 10.5px 13.5px;
                transform: translate(var(--eye-x), var(--eye-y)) scale(var(--eye-s)) translateZ(0);
                transition: transform var(--eye-duration, .3s);
            }
        }
    }
    &.show {
        --default-y: -12px;
        --default-o: 0;
        --default-pe: none;
        --clear-y: 0;
        --clear-o: 1;
        --clear-pe: auto;
    }
}

html {
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

* {
    box-sizing: inherit;
    &:before,
    &:after {
        box-sizing: inherit;
    }
}

// Center & dribbble
body {
    font-family: 'Poppins', Arial;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #FBFBFD;
    .dribbble {
        position: fixed;
        display: block;
        right: 20px;
        bottom: 20px;
        img {
            display: block;
            height: 28px;
        }
    }
    .twitter {
        position: fixed;
        display: block;
        right: 64px;
        bottom: 14px;
        svg {
            width: 32px;
            height: 32px;
            fill: #1da1f2;
        }
    }
}
View Compiled
const { to, set, timeline, registerPlugin } = gsap

registerPlugin(MorphSVGPlugin)

document.querySelectorAll('.password-field').forEach(field => {
    let input = field.querySelectorAll('input'),
        button = field.querySelector('button'),
        time = timeline({
            paused: true
        }).to(field.querySelector('svg .top'), {
            morphSVG: 'M2 10.5C2 10.5 6.43686 15.5 10.5 15.5C14.5631 15.5 19 10.5 19 10.5',
            duration: .2
        }).to(field, {
            keyframes: [{
                '--eye-s': 0,
                '--eye-background': 1,
                duration: .2
            }, {
                '--eye-offset': '0px',
                duration: .15
            }]
        }, 0)
    button.addEventListener('click', e => {
        if(field.classList.contains('show')) {
            field.classList.remove('show')
            time.reverse(0)
            return
        }
        field.classList.add('show')
        time.play(0)
    })
    field.addEventListener('pointermove', e => {
        const rect = button.getBoundingClientRect()
        const fullWidth = rect.width
        const halfWidth = fullWidth / 2
        const fullHeight = rect.height
        const halfHeight = fullHeight / 2
        let x = e.clientX - rect.left - halfWidth,
            y = e.clientY - rect.top - halfHeight

        field.style.setProperty('--eye-x', (x < -halfWidth ? -halfWidth : x > fullWidth ? fullWidth : x) / 15 + 'px')
        field.style.setProperty('--eye-y', (y < -halfHeight ? -halfHeight : y > fullHeight ? fullHeight : y) / 25 + 'px')
    })
    field.addEventListener('pointerleave', e => {
        field.style.setProperty('--eye-x', '0px')
        field.style.setProperty('--eye-y', '0px')
    })
    input.forEach(single => single.addEventListener('input', e => input.forEach(i => i.value = e.target.value)))
})

External CSS

  1. https://fonts.googleapis.com/css2?family=Poppins:wght@400;500&amp;display=swap

External JavaScript

  1. https://unpkg.co/gsap@3/dist/gsap.min.js
  2. https://assets.codepen.io/16327/MorphSVGPlugin3.min.js