.tx-sy-certified-equipment .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-top-color: #3498db; /* You can change this color */
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

.tx-sy-certified-equipment form .error_msg {
    display: none;
    color: red;
}

.tx-sy-certified-equipment #js_certification_check_email_address_btn, .tx-sy-certified-equipment .guidlinesButton.large {
    background: transparent;
    background-color: #164194;
    border: 1px solid #164194;
    color: #FFFFFF;
    line-height: normal;
    padding: 10px 20px;
    font-size: 16px;
    display: inline-block;
    min-width: 120px;
    text-align: center;
    margin-top: 20px;
}