body, div, dl, dt, dd, ul, ol, li,
h1, h2, h3, h4, h5, h6, pre, code,
form, fieldset, legend, input, button,
textarea, p, blockquote, th, img, td, a, label, span {
    margin: 0;
    padding: 0;
}
fieldset, img {
    border: 0;
}

ol, ul {
list-style:none;
font-size:0;
line-height:0;
}
.claer{
clear:both;
}
.right{
float:right;
}
.left{
float:left;
}
a:link {
	text-decoration: none;
}
a:visited {
	text-decoration: none;
}
a:hover {
	text-decoration: underline;
}
a:active {
	text-decoration: none;
}