.loginContent .dnnFormItem .dnnLabel {
    display: block;
    margin: 0;
    padding: 0;
    text-align: left;
    width: 100%;
}

.loginContent .dnnLoginService input[type="text"], 
.loginContent .dnnLoginService input[type="password"] {
    width: 100% !important;
}

.loginContent .dnnFormItem a {
    margin-top: 15px;
}