Okay, a few things:
1) The reason your border wasn't displaying is because you weren't declaring a border style. Both "1px" and "medium" are widths, so change one of them to "solid."
2) The thickness of your border affects the width of your divs. A 300-pixel div with a 1-pixel border is 302 pixels wide. If you're using precise widths, you'll want to plan accordingly.
3) You can't set the width of an inline element. It doesn't render, at all. The easiest way to overcome this is to use "float: left" with your precise pixel widths (taking into account any borders, padding, and margins).
4) Using a <p> element puts a linebreak before and after the content. Instead, use <div> tags.
Here's how it looks all together:
CODE
<html>
<head>
<title>Test</title>
<style type="text/css">
.divcontainer {
width:500px;
height:350px;
color:#000000;
background-color:#CCFFFF;
}
.formcontainer {
float: left;
width: 498px;
height: 25px;
font-family: "Times New Roman", Times, serif;
font-size: 12px;
border: 1px solid #000000;
}
.text {
text-align:left;
/* background-color:#00CC00;*/
width:198px;
height: 25px;
float: left;
}
.input {
text-align:left;
/* background-color:#CCFFFF;*/
width:298px;
height: 25px;
float: left;
}
#inputextra {
display:inline;
}
#header {
text-align:center;
padding-bottom: 30px;
font:larger;
font-family:"Courier New", Courier, monospace;
font-size:18px;
color:#003333;
text-decoration:underline;
font:bold;
}
#buttons {
padding-left: 200px;
}
</style>
</head>
<body>
<div class="divcontainer">
<form action="add.php" method="post" onSubmit="return field_filter();">
<div id="header">Customer Account Opening</div>
<div class="formcontainer">
<div class="text">*Account No</div>
<div class="input">
<select name="account_no_series">
<option value="" selected="selected">----</option>
<option value="12345">12345</option>
<option value="110101">110101</option>
</select>
<input type="text" name="account_no" onChange="setInterval('enable_disable()',100);" onFocus="setInterval('enable_disable()',100);" onBlur="setInterval('enable_disable()',100);" size="15" >
</div>
</div>
<div class="formcontainer">
<div class="text">*Title Of Account</div>
<div class="input"><input type="text" name="account_title" onChange="setInterval('enable_disable()',100);" onFocus="setInterval('enable_disable()',100);" onBlur="setInterval('enable_disable()',100);" /></div>
</div>
<div class="formcontainer">
<div class="text">*Type Of Account</div>
<div class="input">
<select name="account_type" class="select" onChange="setInterval('enable_disable()',100 );" onFocus="setInterval('enable_disable()',100);" onBlur="setInterval('enable_disable()',100);">
<option value="">Select Account type</option>
<option value="Current">Current</option>
<option value="Saving">Saving</option>
<option value="Resident">Resident</option>
</select>
</div>
</div>
<div class="formcontainer">
<div class="text">*Status Of Account</div>
<div class="input">
Single<input type="radio" name="status_type" value="Single" checked="checked">
Joint<input type="radio" name="status_type" value="Joint">
Company<input type="radio" name="status_type" value="Company">
</div>
</div>
<div class="formcontainer">
<div class="text">*Opration Of Account</div>
<div class="input">
Single<input type="radio" name="account_operation" value="Single" checked="checked">
Joint<input type="radio" name="account_operation" value="Joint">
</div>
</div>
<div class="formcontainer">
<div class="text">*Currency</div>
<div class="input">
<select name="account_currency" class="select" onChange="setInterval('enable_disable()',100);" onFocus="setInterval('enable_disable()',100);" onBlur="setInterval('enable_disable()',100);">
<option value="">Select currency</option>
<option value="PUK">Pak Rupees (PUK)</option>
<option value="USD">US Doller (USD)</option>
<option value="CAD"> Canada (CAD) </option>
<option value="EUR">Europe (EUR) </option>
</select>
</div>
</div>
<div class="formcontainer">
<div id="buttons">
<input type="submit" value="Next" name="submit" disabled="disabled">
<input type="button" value="Cancel" onClick="window.location='manage_users.php'"/>
</div>
</div> </form>
</div>
</body>
</html>