#loginForm .login-submit-wrap {
    position: relative;
    display: block;
}

#loginForm .login-submit-wrap.is-busy .login-submit-button {
    cursor: wait;
    padding-right: 2.4em;
}

#loginForm .login-submit-button__spinner {
    display: none;
    position: absolute;
    right: 0.85em;
    top: 50%;
    width: 14px;
    height: 14px;
    margin-top: -7px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #ffffff;
    border-radius: 50%;
    pointer-events: none;
    animation: login-submit-spin 0.75s linear infinite;
}

#loginForm .login-submit-wrap.is-busy .login-submit-button__spinner {
    display: block;
}

@keyframes login-submit-spin {
    to { transform: rotate(360deg); }
}