html {
    position: relative;
    min-height: 100%;
}

.required {
    color: #ff0000;
    font-weight: bold;
}

/* Bootstrap IE10 viewport bug workaround */
@-webkit-viewport { width: device-width; }
@-moz-viewport    { width: device-width; }
@-ms-viewport     { width: device-width; }
@-o-viewport      { width: device-width; }
@viewport         { width: device-width; }