Modelo 2:
/*****************************CAIXA DE PESQUISA****************************/
<style>
#searchb {
float: left;
margin: 30px 0
}
#searchb input[type="text"], #searchb textarea {
background: none repeat scroll 0 0 #FFFAFA;
border: 0 none;
float: left;
height: 20px;
padding: 5px 10px;
width: 120px;
-webkit-border-radius: 5px 5px 5px 5px;
-moz-border-radius: 5px 5px 5px 5px;
border-radius: 5px 5px 5px 5px;
-webkit-box-shadow: 0 2px 1px #000, 0 3px 10px rgba(0, 0, 0, 0.4) inset;
-moz-box-shadow: 0 2px 1px #000, 0 3px 10px rgba(0, 0, 0, 0.4) inset;
box-shadow: 0 2px 1px #000, 0 3px 10px rgba(0, 0, 0, 0.4) inset;
font-family: arial, helvetica, sans-serif;
font-size: 15px;
}
#searchb .go {
-webkit-border-radius: 5px 5px 5px 5px;
-moz-border-radius: 5px 5px 5px 5px;
border-radius: 5px 5px 5px 5px;
-webkit-box-shadow: 0 2px 2px #000, 0 -2px 10px rgba(0, 0, 0, 0.5) inset;
-moz-box-shadow: 0 2px 2px #000, 0 -2px 10px rgba(0, 0, 0, 0.5) inset;
box-shadow: 0 2px 2px #000, 0 -2px 10px rgba(0, 0, 0, 0.5) inset;
background: #00BFFF; /
border: 0 none;
font-size: 15px;
font-family: arial, helvetica, sans-serif;
height: 30px;
margin: 0 10px;
padding-bottom: 3px;
text-shadow: 0 1px rgba(255, 255, 255, 0.35);
width: auto;
cursor: pointer
}
#searchb .go:hover {
background: #00BFFF;
}
</style>
<form id="searchb" action="ENDEREÇO COMPLETO DE SEU BLOG/search-results/" id="cse-search-box">
<div>
<input type="hidden" name="cx" value="ID DE SEU BLOG:yojsvasam2s" />
<input type="hidden" name="cof" value="FORID:11" />
<input type="hidden" name="ie" value="UTF-8" />
<input type="text" name="q" size="31" placeholder="Pesquise no site"/>
<input type="submit" name="sa" value="Buscar" class='go'/>
</div>