#search  {
border : 0;
height : 30px;
padding : 0;
text-align : right;
}
#search input {
color : #000000;
font-size : 15px;
padding : 4px;
}
#s {
width : 270px;
border : 1px solid #999;
margin : 0;
background : #ffffff;
} 

<div id="search">
    <form method="get" id="searchform" action="ADD HERE YOUR BLOG URL"> 
        <input type="text" value="Search Now" 
            name="s" id="s"  onblur="if (this.value == '')  {this.value = 'Search';}"  
            onfocus="if (this.value == 'Search') {this.value = '';}" />
        <input type="image" src="http://santabanta.mywapblog.com/files/search101.gif" style="border:0; vertical-align: top;" /> 
    </form>
</div>