Item 

Description 

align  

Specifies the horizontal alignment of its element with respect to the surrounding context. Possible values are left, right, center, and justify.  

class  

Assigns a class name or set of class names to an element. Any number of elements may be assigned the same class name or names. Multiple class names must be separated by white space characters.  

dir  

Specifies the direction of directionally neutral text in an element's content and attribute values:
ltr indicates left-to-right text or table.
rtl indicates right-to-left text or table.  

id  

Assigns a name to an element. This name must be unique in a document.  

lang  

Specifies the base language of an element's attribute values and text content. The default value of this attribute is unknown.  

noshade  

If set to true, the horizontal rule is rendered in a solid color. If set to false, the rule is rendered as a two-color groove.  

onclick  

The onclick event occurs when the pointing device button is clicked over an element.  

ondblclick  

The ondblclick event occurs when the pointing device button is double clicked over an element.  

onkeydown  

The onkeydown event occurs when a key is pressed down over an element.  

onkeypress  

The onkeypress event occurs when a key is pressed and released over an element.  

onkeyup  

The onkeyup event occurs when a key is released over an element. This attribute may be used with most elements.  

onmousedown  

The onmousedown event occurs when the pointing device button is pressed over an element.  

onmousemove  

The onmousemove event occurs when the pointing device is moved while it is over an element.  

onmouseout  

The onmouseout event occurs when the pointing device is moved away from an element.  

onmouseover  

The onmousemove event occurs when the pointing device is moved while it is over an element.  

onmouseup  

The onmouseup event occurs when the pointing device button is released over an element.  

size  

Specifies the initial width of the control. The width is given in pixels except when type attribute is set to text or password. In that case, its value refers to the (integer) number of characters.  

src  

When the type attribute is set to image, this attribute specifies the location of the image to be used to decorate the graphical submit button.  

style  

Specifies style information for the current element. The syntax of the value of the style attribute is determined by the default style sheet language.  

title  

Specifies advisory information about the element for which it is set.  

width  

Specifies the width of the rule. The default width is 100%, which extends the rule across the entire canvas.