ttom is the same as top, and a missing right is also the same as top. 'double': Two parallel solid lines with some space between them. (The thickness of the lines is not specified, but the sum of the lines and the space must equal 'border-width'.)" />
    <style>
        #ref {
            background-color: white;
            height: 160px;
            width: 160px;
        }
        #test {
            border: black solid 5px;
            border-style: double;
            bottom: 160px;
            height: