#sheet { /****MENU SHEET AZUL ESCURO / BY PATTIENCY ***/
color: #283757;
box-shadow: inset -1px 1px 0 #c1cde6, inset 1px -1px 0 #c1cde6;
background: #8291b3;
border: 1px solid #283757;
border-left: 3px solid #283757;
border-right: 3px solid #283757;
padding-top: 2px;
padding-bottom: 2px;
padding-left: 3px;
padding-right: 2px;
text-align: center;
margin: 1px;
font: normal 11px "Arial";
border-radius: 3px;
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
-moz-transition: all 0.5s ease-out;
-webkit-transition: all 0.5s ease-out;
-o-transition: all 0.5s ease-out;
-ms-transition: all 0.5s ease-out;
transition: all 0.5s ease-out;
}
#sheet:hover {
border-left: 6px solid #283757;
border-right: 6px solid #283757;
-moz-transition: all 0.5s ease-out;
-webkit-transition: all 0.5s ease-out;
-o-transition: all 0.5s ease-out;
-ms-transition: all 0.5s ease-out;
transition: all 0.5s ease-out;
}
<div id="sheet"><a href="LINK">NOME</a></div>
