a no scusa ho cambiato qualcosina ti posto il css che sto cambiando in base ahtml che ti ho mandato:
body{
margin:inherit;
padding:0;
background-color:#330033;
}


#contenitoreMenu{
position:fixed;
border:1px solid #FFFFFF;
background-color:#003333;
border-left:inherit;
border-top:inherit;
border-radius:0 0 13px 0;
width:200px;
height:200px;
margin-top:0px;
}


#menu{
width:73px;
cursor:default;
font-family:"Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
list-style:none;
color:#FFFFFF;
font-size:large;
margin:15px;
margin-left:10px;
transition: transform 100ms ease 0s;
-webkit-transition: transform 100ms ease 0s;


}


#menuR{
width:130px;
cursor:default;
font-family:"Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
list-style:none;
color:#FFFFFF;
font-size:large;
margin:15px;
margin-left:10px;
transition: transform 100ms ease 0s;
-webkit-transition: transform 100ms ease 0s;




}
.icon{
width:13px;
height:13px;
float:left;
margin-top:7px;
margin-right:5px;
color:#FFFFFF;
}


#menu:hover > .icon{
transform: translate(-10px);
-webkit-transform: translate(-10px);
}


#menuR:hover > .icon{
transform: translate(-10px);
-webkit-transform: translate(-10px);
}