.thumbnail { 
top:-50px; 
left:-35px; 
display:block; 
z-index:999; 
cursor: pointer; 
-webkit-transition-property: all; 
-webkit-transition-duration: 0.3s; 
-webkit-transition-timing-function: ease; 
} 

/*change the number below to scale to the appropriate size*/ 
.thumbnail:hover { 
transform: scale(8); 
}