.body-alert {
    z-index: 1000;
    position: fixed;
    bottom: 0;
    left: 0;
    margin: auto;
    max-width: 90%;
    width: 300px;
}

.login .lang button {
    /*border:1px solid red;*/
    border:0;
    background-color:transparent;
    width:30px;
    height:30px;
    padding:0;
    outline:none;
    border-radius:50%;
}
.login .lang button img {
    width:100%;
    height:100%;
    border-radius:50%;
}