CSS Input Field Text Animation – CSS Only Floating Label
CSS Input Field Text Animation. CSS Only Floating Label source code.
Source code:
HTML:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Input Text Animation</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="inputBox">
<input type="text" required="required">
<span>First Name</span>
</div>
<div class="inputBox">
<input type="text" required="required">
<span>Last Name</span>
</div>
</body>
</html>CSS:
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');
*
{
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Poppins', sans-serif;
}
body
{
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: #1d2b3a;
flex-direction: column;
gap: 30px;
}
.inputBox
{
position: relative;
width: 250px;
}
.inputBox input
{
padding: 10px 10px;
border: none;
outline: none;
border-radius: 5px;
width: 100%;
background: #1d2b3a;
border: 1px solid rgba(255,255,255,0.25);
color: #fff;
font-size: 1em;
transition: 0.5s;
}
.inputBox span
{
position: absolute;
left: 0;
padding: 10px 10px;
pointer-events: none;
font-size: 1em;
transition: 0.5s;
text-transform: uppercase;
color: rgba(255,255,255,0.25);
}
.inputBox input:valid ~ span,
.inputBox input:focus ~ span
{
color: #00dfc4;
font-size: 0.65em;
transform: translateX(10px) translateY(-7px);
padding: 0 5px;
background: #1d2b3a;
border-left: 1px solid #00dfc4;
border-right: 1px solid #00dfc4;
letter-spacing: 0.2em;
}
.inputBox:nth-child(2) input:valid ~ span,
.inputBox:nth-child(2) input:focus ~ span
{
border-radius: 2px;
background: #00dfc4;
color: #1d2b3a;
}
.inputBox input:valid,
.inputBox input:focus
{
border: 1px solid #00dfc4;
} 
