How to move placeholder to top on focus AND while typing?

Question

I want the placeholder to move to the top when the textbox is on focus and also while the user is typing.

I\'m not sure if this is just html/css or any javascript to

Answer 1

.user-input-wrp {
	position: relative;
	width: 50%;
}
.user-input-wrp .inputText{
	width: 100%;
	outline: none;
	border:none;
	border-bottom: 1px solid #777;
 	box-shadow: none !important;
}
.user-input-wrp .inputText:focus{
	border-color: blue;
	border-width: medium medium 2px;
}
.user-input-wrp .floating-label {
	position: absolute;
	pointer-events: none;
	top: 18px;
	left: 10px;
	transition: 0.2s ease all;
}
.user-input-wrp input:focus ~ .floating-label,
.user-input-wrp input:not(:focus):valid ~ .floating-label{
	top: 0px;
	left: 10px;
	font-size: 13px;
	opacity: 1;
}

The floating label

  

  
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Modified the code from @user1846747 a little.