Tips for preventing tiny separation lines from appearing above and below unordered list elements

I am attempting to utilize twitter bootstrap to create a select-option style list.

How can I eliminate the thin separation lines above and below the list of items? Refer to the screenshot:

https://i.sstatic.net/1khEE.png

Below is the visible code snippet. It would be best to view the jsfiddle for easier comprehension:

https://jsfiddle.net/qqnkc9u3/3/

html:

<div class="dropdown">
<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
    Dropdown
</button>
<ul class="dropdown-menu" aria-labelledby="dropdownMenu1">
    <li><a class="my2" href="#"><!--data-value="action"--> Action</a></li>
    <li><a class="my2" href="#" data-value="another action">Another action</a></li>
    <li><a class="my2" href="#" data-value="something else here">Something else here</a></li>
    <li><a class="my2" href="#" data-value="separated link">Separated link</a></li>
</ul>

js:

$(".dropdown-menu li a").click(function(){
$(this).parents(".dropdown").find('.btn').html($(this).text() + ' <span ></span>');
$(this).parents(".dropdown").find('.btn').val($(this).data('value'));
});

css:

@charset "UTF-8";

@import url('https://fonts.googleapis.com/css?family=PT+Sans');

#dropdownMenu1 {
/*text-indent: -150px;*/
-webkit-appearance: none;
-moz-appearance: none;

font-family: 'PT Sans', sans-serif;
/*font-style: italic;*/
color: red;
font-size: 18px;
text-align: left;

width: 242px;
height: 42px;
border: 4px;
/*background-color: #e7eaf3;*/
background: url("http://www.adelepham.com/deepthoughts/gray-pattern.jpg") no-repeat 0 0;
/*color: #5B629B;*/
/*padding: 4px;*/
}

.my2 {
text-indent: -7px;
-moz-border-radius: 3px;
-webkit-border-radius: 3px;
border-radius: 3px;

font-style: italic;
font-family: 'PT Sans', sans-serif;
color: red;
font-size: 18px;

-webkit-appearance: none;
-moz-appearance: none;
width: 242px;
height: 42px;
/*border: 4px;*/
/*color: #5B629B;*/
background: url("http://www.adelepham.com/deepthoughts/gray-pattern.jpg") no-repeat 0 0;
}

Answer №1

To remove the padding, simply delete it (updated JSFiddle):

.dropdown-menu {
  padding: 0;
}

Alternatively, you can try this method:

.dropdown-menu {
  padding: 0;
  margin: 0;
}

This will eliminate the small 1 or 2 px gap between the button and the menu itself.

Answer №3

If you want to remove the padding and margin of the ul element, you can do so by adding the following CSS:

ul {
   padding: 0;
   margin: 0;
}

Here is a Fiddle demonstrating this solution: https://jsfiddle.net/abc123xyz/22/

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