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HTML

CSS

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HTML

              
                <div class="container">
    <div class="progress">0/5 COMPLETED.</div>
    <div class="group dua">
        <input placeholder="Name" required/><div class="button"></div>
    </div><div class="group tiga">
        <input placeholder="Business Email" type="email" required/><div class="button"></div>
    </div><div class="group tiga">
        <input placeholder="Job Position" required /><div class="button"></div>
    </div><div class="group tiga">
        <input placeholder="Company" required /><div class="button"></div>
    </div><div class="group tiga">
        <input placeholder="Country" required /><div class="button"></div>
    </div><div class="group tiga"><div class="download">DOWNLOAD WHITEPAPER ›</div></div>
</div>
              
            
!

CSS

              
                @import url("https://fonts.googleapis.com/css?family=Roboto+Slab:200");

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    border: 0;
    transform-style: preserve-3d;
    font-family: "Roboto Slab", sans-serif;
}

*:focus {
    outline: 0;
}

body {
    background: #816bbf;
}

.container,
input,
.button,
.group,
.button:after,
.download {
    height: 60px;
}

.container,
.group {
    width: 360px;
}

.container {
    margin: calc(50vh - 30px) 0 0 calc(50vw - 180px);
    perspective: 500px;
}

.group,
.button:after {
    position: absolute;
    top: 0;
    left: 0;
}

input,
.button {
    display: inline-block;
    vertical-align: top;
}

input {
    width: 300px;
    background: white;
    padding: 20px;
    font-size: 18px;
    color: #212121;
}

input::placeholder {
    color: silver;
}

.button,
.button:after {
    width: 60px;
}

.button,
.download {
    cursor: pointer;
    background: #E0E0E0;
    transition: background 0.5s;
}

.button.valid,
.download {
    background-image: linear-gradient(135deg, #4bf3dd 10%, #4c83ff 100%);
}

.button:not(.valid):hover {
    background: #FF5252;
}

.button:after {
    content: "";
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' viewBox='0 0 24 24'%3e%3cpath fill='white' d='M7.41 8.59L12 13.17l4.59-4.58L18 10l-6 6-6-6 1.41-1.41z'/%3e%3c/svg%3e");
    background-position: 50% 50%;
    background-repeat: no-repeat;
}

.button.valid:after {
    animation: a infinite 1s;
}

.group:nth-last-of-type(2) .button:after {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 24 24'%3e%3cpath fill='white' d='M9 16.2L4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4L9 16.2z'/%3e%3c/svg%3e");
}

.button:not(.valid):hover:after {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3e%3cpath fill='white' d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z'/%3e%3c/svg%3e");
}

.download {
    color: white;
    padding: 19px;
    text-align: center;
}

.satu {
    transform: rotateX(90deg) translateY(-30px) translateZ(30px);
    opacity: 0;
    transition: transform 1s, box-shadow 0.5s, opacity 0.7s 0.3s;
}

.dua {
    transform: none;
    box-shadow: 0 30px 40px rgba(0, 0, 0, 0.15);
    transition: transform 1s, box-shadow 0.5s 0.5s, opacity 0.7s;
}

.tiga {
    transform: rotateX(-90deg) translateY(30px) translateZ(30px);
    opacity: 0;
}

.container .progress {
    color: white;
    position: absolute;
    bottom: 80px;
    right: 1px;
    text-align: right;
}

@keyframes a {
    0%,
    100% {
        background-position: 50% 40%;
    }
    50% {
        background-position: 50% 60%;
    }
}

              
            
!

JS

              
                var g = document.getElementsByClassName("group"),
    c = 0,
    i,
    v = false;

for (i = 0; i < g.length - 1; i++) {
    g[i].querySelector("input").onkeyup = g[i].querySelector("input").onchange = function() {
        if (this.validity.valid == true) {
            v = true;
            this.nextSibling.classList.add("valid");
        } else {
            v = false;
            this.nextSibling.classList.remove("valid");
        }
    };
    g[i].querySelector(".button").onclick = function() {
        if (v == true) {
            c++;
            this.parentNode.className = "group satu";
            this.parentNode.nextSibling.className = "group dua";
            document.querySelector(".progress").innerHTML =
                c +
                "/" +
                (g.length - 1) +
                " COMPLETED." +
                (c == g.length - 1
                    ? " THANK YOU FOR FILLING UP THE FORM."
                    : "");
            v = false;
        }
    };
}

              
            
!
999px

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