.logo_imgae{
    border-radius: 3px;
    height: 200px;
    float: left;
    margin-left: 10%;
    margin-top: 22%;
    width: 200px; 
}

.container{
    background-color: #344656;
    border-radius: 3px;
    border: solid 3px black;
    height: 40%;
    float: right;
    margin-right: 10%;
    margin-top: 20%;
    width: 450px;
    color: whitesmoke;
}

.password + .Voir {
    position:absolute;
    right: 68px; top: 7px;
    width: 25px;
    height: 25px;
    text-indent: -9999px;
    background: #aaa;
    border-radius: 50%;
}

.password + .Voir:before {
    content: "";
    position:absolute;
    top:4px; left:4px;
    z-index:1;
    width: 17px;
    height: 17px;
    background: #e3e3e3;
    border-radius: 50%;
}

.password[type="text"] + .Voir:after {
    content: "";
    position:absolute;
    top:6px; left:6px;
    z-index:2;
    width: 13px;
    height: 13px;
    background: #aaa;
    border-radius: 50%;
}