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Adding a bottom border to the input field visually distinguishes it from surrounding elements on the page. Making input fields stand out on a website in a form for example is crucial. Styling these inputs with clear borders, appealing colors, and effects, can easily capture the user’s attention.
Using border-width PropertyThe border-width property in CSS is used to set the width of the border on all four sides of an element. It is a shorthand property that allows you to set the width of the top, right, bottom, and left borders. To style the border at the bottom set the property outline: 0; removes the default focus outline on the input field. Then, The border-width: 0 0 2px; sets the border width for the input field, applying a 2-pixel bottom border.
Example: Illustration of the bottom border with only the Input text field using the border-width property.
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content=
"width=device-width, initial-scale=1.0" />
<title>Bottom border on input text field</title>
<style>
div {
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
flex-direction: column;
}
h1 {
color: green;
}
input {
outline: 0;
border-width: 0 0 2px;
border-color: green;
}
</style>
</head>
<body>
<div>
<h1>GeeksforGeeks</h1>
<input type="text"
placeholder="Enter your message.."
id="geek"
name="geek" />
</div>
</body>
</html>
Output:
Using the ::after pseudo-elementThe ::after pseudo-element in CSS is used to insert content after an element’s actual content. It is often used for decorative purposes or to add additional styling elements. The .input-field::after, Selects the ::after pseudo-element of elements with the class .input-field. The property bottom: -2px; shifts the pseudo-element 2 pixels below the bottom edge of the .input-field container, creating the effect of a bottom border. Sets the height to 2 pixels, defining the thickness of the bottom border.
Example: Illustration of the bottom border with only the Input text field using the ::after pseudo-element.
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content=
"width=device-width, initial-scale=1.0" />
<title>Bottom border on input text field</title>
<style>
.wrapper {
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
flex-direction: column;
}
h1 {
color: green;
}
.input-field {
position: relative;
}
.input-field::after {
content: "";
position: absolute;
width: 100%;
height: 2px;
background-color: green;
bottom: -2px;
left: 0;
}
input {
border: none;
outline: none;
}
</style>
</head>
<body>
<div class="wrapper">
<h1>GeeksforGeeks</h1>
<div class="input-field">
<input type="text"
placeholder="Enter your message.."
id="geek"
name="geek" />
</div>
</div>
</body>
</html>
Output:
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