<style type="text/css">
#gb{
position:fixed;
top:50px;
z-index:+1000;

}
* html #gb{position:relative;}
.gbtab{
height:100px;
width:30px;
float:left;
cursor:pointer;
background:url('https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggNNIVdtqIHcvpp9K9uVt9AP8Rr8EVaWHT8XNo6d8GCFPWC9d3viLukyYKL8HGRG3j8llRHANbgJRX3F21QSuGN0GJhTdAKdPYMQplizETPB_oHcow-LOdwTDbpmhZiCjk4Y6JdxS7SIs/s1600/bukutamu.png') no-repeat;
}