<input type="text" placeholder="Login">

body {
	margin: 0;
	padding: 0;
	display: flex;
	justify-content: center;
	align-items: center;
	flex-wrap: wrap;
	gap: 30px;
	min-height: 100vh;
	rgb(255, 255, 255)
	font-family: tahoma;
}

::-webkit-input-placeholder {
  color:#999;
  opacity:1
}
:-moz-placeholder,
::-moz-placeholder {
  color:#999;
  opacity:1
}
:-ms-input-placeholder {
  color:#999;
  opacity:1
}
:focus::-webkit-input-placeholder {
  color:transparent;
}
:focus:-moz-placeholder,
:focus::-moz-placeholder {
  color:transparent;
}
:focus:-ms-input-placeholder {
  color:transparent;
}

input {
	box-sizing: border-box;
	transition: none;
	width: 300px;
	height: 2.8125rem;
	border-radius: 0.75rem;
	padding: 0.1875rem 0.625rem;
	color: #4e3831;
	font-size: 0.875rem;
	line-height: 0.875rem;
	font-weight: 400;
	text-align: center;
	outline: none;
	box-shadow: none;
	min-width: 0;
	background-color: #e5e2e2;
	border: 1px solid transparent;
	background: linear-gradient(#e5e2e2, #e5e2e2 0) padding-box,
		linear-gradient(90deg, #fa5560, #4d91ff) border-box;
}

input:focus {
		background: linear-gradient(#ececec, #ececec 0) padding-box, linear-gradient(90deg, #ff2aac, #8b00ff) border-box;
}