Tips for creating a responsive HTML5 form

I am trying to center and make my form responsive. Can you help me achieve that with the code below?

HTML5 Code 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"     
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>CSS3 Search Form</title>
<link href="css/cbdb-search-form.css" type="text/css" rel="stylesheet" media="screen" />
<style type="text/css">

body {
background: #999;
}
</style>
</head>
<body>
<form id="search-form">
<input type="email" />
<input type="submit" value="Login" /> 
</form>
</body>
</html>

CSS Code

/************************************ CSS 3 SEARCH BY ZEAOS ************************************/

#search-form {
background: #e1e1e1; /* Fallback color for non-css3 browsers */
width: 365px;

/* Gradients */
background: -webkit-gradient( linear,left top, left bottom, color-stop(0, rgb(243,243,243)), color-stop(1, rgb(225,225,225)));
background: -moz-linear-gradient( center top, rgb(243,243,243) 0%, rgb(225,225,225) 100%);

/* Rounded Corners */
border-radius: 17px; 
-webkit-border-radius: 17px;
-moz-border-radius: 17px;

/* Shadows */
box-shadow: 1px 1px 2px rgba(0,0,0,.3), 0 0 2px rgba(0,0,0,.3); 
-webkit-box-shadow: 1px 1px 2px rgba(0,0,0,.3), 0 0 2px rgba(0,0,0,.3);
-moz-box-shadow: 1px 1px 2px rgba(0,0,0,.3), 0 0 2px rgba(0,0,0,.3);
}

/*** TEXT BOX ***/
input[type="email"]{
background: #fafafa; /* Fallback color for non-css3 browsers */

/* Gradients */
background: -webkit-gradient( linear, left bottom, left top, color-stop(0, rgb(250,250,250)), color-stop(1, rgb(230,230,230)));
background: -moz-linear-gradient( center top, rgb(250,250,250) 0%, rgb(230,230,230) 100%);

border: 0;
border-bottom: 1px solid #fff;
border-right: 1px solid rgba(255,255,255,.8);
font-size: 16px;
margin: 4px;
padding: 5px;
width: 250px;

/* Rounded Corners */
border-radius: 17px; 
-webkit-border-radius: 17px;
-moz-border-radius: 17px;

/* Shadows */
box-shadow: -1px -1px 2px rgba(0,0,0,.3), 0 0 1px rgba(0,0,0,.2);
-webkit-box-shadow: -1px -1px 2px rgba(0,0,0,.3), 0 0 1px rgba(0,0,0,.2);
-moz-box-shadow: -1px -1px 2px rgba(0,0,0,.3), 0 0 1px rgba(0,0,0,.2);
}

/*** USER IS FOCUSED ON TEXT BOX ***/
input[type="text"]:focus{
outline: none;
background: #fff; /* Fallback color for non-css3 browsers */

/* Gradients */
background: -webkit-gradient( linear, left bottom, left top, color-stop(0, rgb(255,255,255)),  color-stop(1, rgb(235,235,235)));
background: -moz-linear-gradient( center top, rgb(255,255,255) 0%, rgb(235,235,235) 100%);
}

/*** SEARCH BUTTON ***/
input[type="submit"]{
background: #44921f;/* Fallback color for non-css3 browsers */

/* Gradients */
background: -webkit-gradient( linear, left top, left bottom, color-stop(0, rgb(79,188,32)),   color-stop(0.15, rgb(73,157,34)), color-stop(0.88, rgb(62,135,28)), color-stop(1, rgb(49,114,21)));
background: -moz-linear-gradient( center top, rgb(79,188,32) 0%, rgb(73,157,34) 15%,   rgb(62,135,28) 88%, rgb(49,114,21) 100%);

border: 0;
color: #eee;
cursor: pointer;
float: right;
font: 16px Arial, Helvetica, sans-serif;
font-weight: bold;
height: 30px;
margin: 4px 4px 0;
text-shadow: 0 -1px 0 rgba(0,0,0,.3);
width: 84px;
outline: none;

/* Rounded Corners */
border-radius: 30px; 
-webkit-border-radius: 30px;
-moz-border-radius: 30px;

/* Shadows */
box-shadow: -1px -1px 1px rgba(255,255,255,.5), 1px 1px 0 rgba(0,0,0,.4);
-moz-box-shadow: -1px -1px 1px rgba(255,255,255,.5), 1px 1px 0 rgba(0,0,0,.2);
-webkit-box-shadow: -1px -1px 1px rgba(255,255,255,.5), 1px 1px 0 rgba(0,0,0,.4);
}
/*** SEARCH BUTTON HOVER ***/
input[type="submit"]:hover {
background: #4ea923; /* Fallback color for non-css3 browsers */

/* Gradients */
background: -webkit-gradient( linear, left top, left bottom, color-stop(0, rgb(89,222,27)),      color-stop(0.15, rgb(83,179,38)), color-stop(0.8, rgb(66,143,27)), color-stop(1, rgb(54,120,22)));
background: -moz-linear-gradient( center top, rgb(89,222,27) 0%, rgb(83,179,38) 15%,     rgb(66,143,27) 80%, rgb(54,120,22) 100%);
}
input[type="submit"]:active {
background: #4ea923; /* Fallback color for non-css3 browsers */

/* Gradients */
background: -webkit-gradient( linear, left bottom, left top, color-stop(0, rgb(89,222,27)),   
color-stop(0.15, rgb(83,179,38)), color-stop(0.8, rgb(66,143,27)), color-stop(1,  rgb(54,120,22)));
background: -moz-linear-gradient( center bottom, rgb(89,222,27) 0%, rgb(83,179,38) 15%,         rgb(66,143,27) 80%, rgb(54,120,22) 100%);
}

EDIT 1

This is a mobile web application . Users consists of both smart phones and oldest devices.

csshtml

Answer №1

Getting Started

If you're working with HTML5, consider removing the HTML DOCTYPE declaration or updating it to <!DOCTYPE html>. Since HTML5 is not based on SGML, a reference to a DTD is not necessary.

Centering Your Content

To center your content, wrap your form in a DIV element.

<body>
<div class="modal">
<form id="search-form">
<input type="email" />
<input type="submit" value="Login" /> 
</form>
</div>
</body>

Apply the following CSS to center the content on the screen.

.modal {
   position: fixed;   
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
}

#search-form {
   position: absolute;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
}

Creating a Responsive Design with CSS Media Queries

Utilize Media Queries to apply styles based on various conditions such as screen size and type.

This example demonstrates setting minimum width and height for responsiveness.

@media ( max-width :320px) {
    .modal {
         min-width: 200px;
         min-height: 120px;
    }
}

@media ( min-width :321px) {
    .modal {
         min-width: 300px;
         min-height: 220px;
    }
}

@media ( min-width :640px) {
    .modal {
         min-width: 480px;
         min-height: 320px;
    }
}

@media ( min-width :1200px) {
    .modal {
         min-width: 700px;
         min-height: 400px;
    }
}

Consider Utilizing Bootstrap

Have you explored using Bootstrap in your projects?

Check out this example to see it in action!

Answer №2

To create a responsive form or any similar element, it is important to set the width in percentage and then apply media queries for different screen sizes. Utilizing tools like Bootstrap can further enhance the appearance and functionality of your website. You can easily access Bootstrap through getbootstrap.com and find detailed guidelines on its use and implementation.

Answer №3

If you want to center something, simply add position:relative to the body

Next, include these CSS rules for #form in your stylesheet:

#search-form{
  margin:auto;
  position:absolute;
  z-index: 30;
  top:0;
  bottom:0;
  left:0;
  right:0;
  width: 300px; /*adjustable*/
  height: 300px;  /*adjustable*/
        }

Answer №4

To center a form, you can use the following CSS:

width: 365px;
height: 38px;

position: absolute;
top: 50%;
margin-top: -19px;
left: 50%;
margin-left: -182px;

This code should be added to the #search-form section of your HTML.

For a responsive design, consider this example as a starting point:

@media all and (max-width: 480px) {

#search-form {
    width: 100%;
    margin-left: -50%;
}

input[type="email"] {
    width: 70%;
}

input[type="submit"]{
    width: 20%;
}

}

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