path {
fill:#3e3e3e;
stroke:#3e3e3e;
fill-opacity:0;
stroke-opacity:0.6;
stroke-width: 3;
-webkit-transition: 0.2s;
-moz-transition: 0.2s;
-o-transition: 0.2s;
transition: 0.2s;
z-index: 8;
}
path:hover {
fill-opacity:0.1;
stroke-opacity:1;
stroke-width: 4;
}