Animated Login Form | HTML, CSS & JavaScript

<div class="input">
            <label for="pass">Password</label>
            <input type="password" name="pass" id="pass">
            <span class="spin"></span>
        </div>

<div class="button login">
            <button><span>GO</span> <i class="fa fa-check"></i></button>
        </div>
        <a href="" class="pass-forgot">Forgot your password?</a>
    </div>

<div class="title">REGISTER</div>

<div class="input">
            <label for="regname">Username</label>
            <input type="text" name="regname" id="regname">
            <span class="spin"></span>
        </div>

<div class="input">
            <label for="regpass">Password</label>
            <input type="password" name="regpass" id="regpass">
            <span class="spin"></span>
        </div>

<div class="input">
            <label for="reregpass">Repeat Password</label>
            <input type="password" name="reregpass" id="reregpass">
            <span class="spin"></span>
        </div>

</div>

.box {
        position: relative;
        top: 0;
        opacity: 1;
        float: left;
        padding: 60px 50px 40px 50px;
        width: 100%;
        background: #fff;
        border-radius: 10px;
        transform: scale(1);
        -webkit-transform: scale(1);
        -ms-transform: scale(1);
        z-index: 5;
    }

.box.back {
        transform: scale(0.95);
        -webkit-transform: scale(0.95);
        -ms-transform: scale(0.95);
        top: -20px;
        opacity: 0.8;
        z-index: -1;
    }

.box:before {
        content: "";
        width: 100%;
        height: 30px;
        border-radius: 10px;
        position: absolute;
        top: -10px;
        background: rgba(255, 255, 255, 0.6);
        left: 0;
        transform: scale(0.95);
        -webkit-transform: scale(0.95);
        -ms-transform: scale(0.95);
        z-index: -1;
    }

.overbox .title {
        color: #fff;
    }

.overbox .title:before {
        background: #fff;
    }

.title {
        width: 100%;
        float: left;
        line-height: 46px;
        font-size: 34px;
        font-weight: 700;
        letter-spacing: 2px;
        color: #075ae0;
        position: relative;
    }

.title:before {
        content: "";
        width: 5px;
        height: 100%;
        position: absolute;
        top: 0;
        left: -50px;
        background: #075ae0;
    }

.input {
        transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        -webkit-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        -ms-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    }

.input label,
    .input input,
    .input .spin {
        transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        -webkit-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        -ms-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    }

.button {
        transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        -webkit-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        -ms-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    }

.button button .button.login button i.fa {
        transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        -webkit-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        -ms-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    }

.material-button .shape:before,
    .material-button .shape:after {
        transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        -webkit-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        -ms-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    }

.button.login button {
        transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        -webkit-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
        -ms-transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    }

.material-button,
    .alt-2,
    .material-button .shape,
    .alt-2 .shape,
    .box {
        transition: 400ms cubic-bezier(0.4, 0, 0.2, 1);
        -webkit-transition: 400ms cubic-bezier(0.4, 0, 0.2, 1);
        -ms-transition: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    }

.input {
        width: 100%;
        float: left;
    }

.input label,
    .input input,
    .input .spin {
        width: 100%;
        float: left;
    }

.button {
        width: 100%;
        float: left;
    }

.button button {
        width: 100%;
        float: left;
    }

.input,
    .button {
        margin-top: 30px;
        height: 70px;
    }

.input {
        position: relative;
    }

.input input {
        position: relative;
    }

.button {
        position: relative;
    }

.button button {
        position: relative;
    }

.input input {
        height: 60px;
        top: 10px;
        border: none;
        background: transparent;
        font-family: 'Roboto', sans-serif;
        font-size: 24px;
        color: rgba(0, 0, 0, 0.8);
        font-weight: 300;
    }

.input label {
        font-family: 'Roboto', sans-serif;
        font-size: 24px;
        color: rgba(0, 0, 0, 0.8);
        font-weight: 300;
    }

.button button {
        font-family: 'Roboto', sans-serif;
        font-size: 24px;
        color: rgba(0, 0, 0, 0.8);
        font-weight: 300;
    }

.input:before,
    .input .spin {
        width: 100%;
        height: 1px;
        position: absolute;
        bottom: 0;
        left: 0;
    }

.input:before {
        content: "";
        background: rgba(0, 0, 0, 0.1);
        z-index: 3;
    }

.input .spin {
        background: #075ae0;
        z-index: 4;
        width: 0;
    }

.overbox .input .spin {
        background: rgba(255, 255, 255, 1);
    }

.overbox .input:before {
        background: rgba(255, 255, 255, 0.5);
    }

.input label {
        position: absolute;
        top: 10px;
        left: 0;
        z-index: 2;
        cursor: pointer;
        line-height: 60px;
    }

.button {
        margin-top: 20px;
        margin: 40px 0;
        overflow: hidden;
        z-index: 2;
    }

.button.login {
        width: 60%;
        left: 20%;
    }

.button.login button {
        width: 100%;
        line-height: 64px;
        left: 0%;
        background-color: transparent;
        border: 3px solid rgba(0, 0, 0, 0.1);
        font-weight: 900;
        font-size: 18px;
        color: rgba(0, 0, 0, 0.2);
    }

.button button {
        width: 100%;
        line-height: 64px;
        left: 0%;
        background-color: transparent;
        border: 3px solid rgba(0, 0, 0, 0.1);
        font-weight: 900;
        font-size: 18px;
        color: rgba(0, 0, 0, 0.2);
    }

.button.login {
        margin-top: 30px;
    }

.button button {
        background-color: #fff;
        color: #075ae0;
        border: none;
    }

.button.login button.active {
        border: 3px solid transparent;
        color: #fff !important;
    }

.button.login button.active span {
        opacity: 0;
        transform: scale(0);
        -webkit-transform: scale(0);
        -ms-transform: scale(0);
    }

.button.login button.active i.fa {
        opacity: 1;
        transform: scale(1) rotate(0deg);
        -webkit-transform: scale(1) rotate(0deg);
        -ms-transform: scale(1) rotate(0deg);
    }

.button.login button i.fa {
        width: 100%;
        height: 100%;
        position: absolute;
        top: 0;
        left: 0;
        line-height: 60px;
        transform: scale(0) rotate(-45deg);
        -webkit-transform: scale(0) rotate(-45deg);
        -ms-transform: scale(0) rotate(-45deg);
    }

.button.login button:hover {
        color: #075ae0;
        border-color: #075ae0;
    }

.button button {
        cursor: pointer;
        position: relative;
        z-index: 2;
    }

.pass-forgot {
        width: 100%;
        float: left;
        text-align: center;
        color: rgba(0, 0, 0, 0.4);
        font-size: 18px;
    }

.click-efect {
        position: absolute;
        top: 0;
        left: 0;
        background: #075ae0;
        border-radius: 50%;
    }

.overbox {
        width: 100%;
        height: 100%;
        position: absolute;
        top: 0;
        left: 0;
        overflow: inherit;
        border-radius: 10px;
        padding: 60px 50px 40px 50px;
    }

.overbox .title,
    .overbox .button,
    .overbox .input {
        z-index: 111;
        position: relative;
        color: #fff !important;
        display: none;
    }

.overbox .title {
        width: 80%;
    }

.overbox .input {
        margin-top: 20px;
    }

.overbox .input input,
    .overbox .input label {
        color: #fff;
    }

.overbox .material-button,
    .overbox .alt-2 {
        display: block;
    }

.overbox .material-button .shape,
    .overbox .alt-2 .shape {
        display: block;
    }

.material-button,
    .alt-2 {
        width: 140px;
        height: 140px;
        border-radius: 50%;
        background: #075ae0;
        position: absolute;
        top: 40px;
        right: -70px;
        cursor: pointer;
        z-index: 100;
        transform: translate(0%, 0%);
        -webkit-transform: translate(0%, 0%);
        -ms-transform: translate(0%, 0%);
    }

.material-button .shape,
    .alt-2 .shape {
        position: absolute;
        top: 0;
        right: 0;
        width: 100%;
        height: 100%;
    }

.material-button .shape:before,
    .alt-2 .shape:before,
    .material-button .shape:after,
    .alt-2 .shape:after {
        content: "";
        background: #fff;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) rotate(360deg);
        -webkit-transform: translate(-50%, -50%) rotate(360deg);
        -ms-transform: translate(-50%, -50%) rotate(360deg);
    }

.material-button .shape:before,
    .alt-2 .shape:before {
        width: 25px;
        height: 4px;
    }

.material-button .shape:after,
    .alt-2 .shape:after {
        height: 25px;
        width: 4px;
    }

.material-button.active,
    .alt-2.active {
        top: 50%;
        right: 50%;
        transform: translate(50%, -50%) rotate(0deg);
        -webkit-transform: translate(50%, -50%) rotate(0deg);
        -ms-transform: translate(50%, -50%) rotate(0deg);
    }

body {
        background-color: black;
        background-position: center;
        background-size: cover;
        background-repeat: no-repeat;
        min-height: 100vh;
        font-family: 'Roboto', sans-serif;
        overflow: hidden;
    }

html {
        overflow: hidden;
    }

.materialContainer {
        width: 100%;
        max-width: 460px;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        -webkit-transform: translate(-50%, -50%);
        -ms-transform: translate(-50%, -50%);
    }

* {
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
        margin: 0;
        padding: 0;
        text-decoration: none;
        list-style-type: none;
        outline: none;
    }

*:after,
    *::before {
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
        margin: 0;
        padding: 0;
        text-decoration: none;
        list-style-type: none;
        outline: none;
    }

$(function () {

$(".input input").focus(function () {

$(this).parent(".input").each(function () {
                $("label", this).css({
                    "line-height": "18px",
                    "font-size": "18px",
                    "font-weight": "100",
                    "top": "0px"
                })
                $(".spin", this).css({
                    "width": "100%"
                })
            });
        }).blur(function () {
            $(".spin").css({
                "width": "0px"
            })
            if ($(this).val() == "") {
                $(this).parent(".input").each(function () {
                    $("label", this).css({
                        "line-height": "60px",
                        "font-size": "24px",
                        "font-weight": "300",
                        "top": "10px"
                    })
                });

}
        });

$(".button").click(function (e) {
            var pX = e.pageX,
                pY = e.pageY,
                oX = parseInt($(this).offset().left),
                oY = parseInt($(this).offset().top);

$(this).append('<span class="click-efect x-' + oX + ' y-' + oY + '" style="margin-left:' + (pX - oX) + 'px;margin-top:' + (pY - oY) + 'px;"></span>')
            $('.x-' + oX + '.y-' + oY + '').animate({
                "width": "500px",
                "height": "500px",
                "top": "-250px",
                "left": "-250px",

}, 600);
            $("button", this).addClass('active');
        })

$(".alt-2").click(function () {
            if (!$(this).hasClass('material-button')) {
                $(".shape").css({
                    "width": "100%",
                    "height": "100%",
                    "transform": "rotate(0deg)"
                })

setTimeout(function () {
                    $(".overbox").css({
                        "overflow": "initial"
                    })
                }, 600)

$(this).animate({
                    "width": "140px",
                    "height": "140px"
                }, 500, function () {
                    $(".box").removeClass("back");

$(this).removeClass('active')
                });

$(".overbox .title").fadeOut(300);
                $(".overbox .input").fadeOut(300);
                $(".overbox .button").fadeOut(300);

$(".alt-2").addClass('material-buton');
            }

})

$(".material-button").click(function () {

if ($(this).hasClass('material-button')) {
                setTimeout(function () {
                    $(".overbox").css({
                        "overflow": "hidden"
                    })
                    $(".box").addClass("back");
                }, 200)
                $(this).addClass('active').animate({
                    "width": "700px",
                    "height": "700px"
                });

setTimeout(function () {
                    $(".shape").css({
                        "width": "50%",
                        "height": "50%",
                        "transform": "rotate(45deg)"
                    })

$(".overbox .title").fadeIn(300);
                    $(".overbox .input").fadeIn(300);
                    $(".overbox .button").fadeIn(300);
                }, 700)

$(this).removeClass('material-button');

}

if ($(".alt-2").hasClass('material-buton')) {
                $(".alt-2").removeClass('material-buton');
                $(".alt-2").addClass('material-button');
            }

});

- Animated Login form

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