.twitter-login {

}

.twitter-login .twitter-button {
    background: url('../images/sign-in-with-twitter-d.png') no-repeat scroll 0 0 transparent;
    width: 151px;
    height: 24px;
    border: 0 none;
    display: inline-block;
}

.twitter-login .twitter-button span {
    left: -9999px;
    position: absolute;
}