a.glo{
 color:#000;
 padding: 3px 4px;
 background-color:#e6e6e6;
 width:inherit;
 text-decoration:none;
 text-align:center;
 margin:4px 5px;
 display: inline-block;
 background-image: linear-gradient(to left,transparent,transparent 50%,#325e79 50%,#325e79);
 background-position: 100% 0;
 background-size: 200% 100%;
 transition: all .1s ease-in;
 font: 300 12px tahoma;
 border: 0px solid #325e79;
}
a.glo:hover {
background-position: 0 0;
color:#fff;
}