HTMLify

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

html {
  font-family: 'Roboto', sans-serif;
  font-size: 14px;
}

:root {
  --primary: #007FFF;
  --secondary: #6F7E8C;
  --hover: #F5F5F5;
  --text: #212121;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.box {
  background-color: white;
  padding: 24px;
  padding-top: 12px;
  border-radius: 16px;
}

.box h2 {
  margin: 0px;
  font-family: Roboto, sans-serif;
  font-weight: 400;
  font-size: 1.5rem;
}

.centering {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 100vw;
    background: var(--primary);
}

.input__wrapper {
  position: relative;
  padding: 15px 0 0;
}

.input__field {
  border: 0;
  border-bottom: 2px solid var(--secondary);
  outline: 0;
  font-size: 16px;
  color: var(--text);
  padding: 4px 0px;
  padding-right: 32px;

  background: transparent;
  transition: border-color 0.2s;
}

.input__field::placeholder {
  color: transparent;
}

.input__field:placeholder-shown ~ .input__label {
  font-size: 16px;
  cursor: text;
  color: var(--secondary);
  top: 20px;
}

label,
.input__field:focus ~ .input__label {
  position: absolute;
  top: 0;
  display: block;
  font-size: 14px;
  left: -1px;
  color: var(--secondary);
  transition: 0.3s;
}

.input__field:focus ~ .input__label {
  color: var(--primary);
}

.input__field:focus {
  border-bottom: 2px solid var(--primary);
}

.input__icon {
  position: absolute;
  right: -14px;
  bottom: -11px;
  width: 26px;
  height: 26px;
  padding: 2px;
  transform: translate(-50%,-50%);
  transform-origin: center;
  cursor: pointer;
}

.input__icon:hover {
  border-radius: 50%;
  background-color: var(--hover);
}