* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    box-sizing: border-box;
    line-height: 1;
    outline: none;
}
/*  body *{
-webkit-filter: grayscale(100%);
-moz-filter: grayscale(100%); 
-ms-filter: grayscale(100%);
-o-filter: grayscale(100%);
filter: grayscale(100%);
filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1); 
filter:gray;
}  */
body {
    background-image: url('../image/header/header-bg.png;vpn_img');
    background-repeat: no-repeat;
    background-position: center top;
    background-color: #F5F5F5;
}
button,img{
    border: 0;
}