Modern UI login form | HTML, CSS & JavaScript

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Orbitron", sans-serif;
}

body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #0b0b0f;
}

/* glowing background */

body::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  background: #6a00ff;
  filter: blur(200px);
  opacity: .4;
}

body::after {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  background: #00eaff;
  filter: blur(200px);
  opacity: .3;
  right: 0;
  bottom: 0;
}

/* login card */

.login-box {
  position: relative;
  width: 360px;
  padding: 40px;
  background: #111;
  border-radius: 12px;
  box-shadow: 0 0 25px rgba(0, 255, 255, .2);
  z-index: 2;
}

.login-box h2 {
  text-align: center;
  margin-bottom: 30px;
  color: #00f7ff;
  letter-spacing: 2px;
}

/* input group */

.input-box {
  position: relative;
  margin-bottom: 25px;
}

.input-box input {
  width: 100%;
  padding: 12px;
  background: transparent;
  border: 1px solid #333;
  border-radius: 6px;
  color: white;
  outline: none;
  transition: .3s;
}

/* neon focus */

.input-box input:focus {
  border-color: #00f7ff;
  box-shadow: 0 0 10px #00f7ff;
}

/* button */

button {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 30px;
  background: linear-gradient(90deg, #00f7ff, #6a00ff);
  color: white;
  font-weight: bold;
  letter-spacing: 1px;
  cursor: pointer;
  transition: .3s;
}

button:hover {
  box-shadow: 0 0 15px #00f7ff;
  transform: scale(1.05);
}

/* footer */

.signup {
  margin-top: 15px;
  text-align: center;
  font-size: 14px;
  color: #aaa;
}

.signup span {
  color: #00f7ff;
  cursor: pointer;
}

- Modern UI login form

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