:root {--bg-color: #c5c4c4;--text-color: #000000;--primary-color: #2b39fd;--approve-btn-color: #11980e;--reject-btn-color: #a92834;--font-family: Roboto, sans-serif;--general-btn-color: #0056d6;}body {  font-family: var(--font-family);  background-color: var(--bg-color);  color: var(--text-color);}button, .button, input[type='submit'] {  padding: 10px 20px;  border-radius: 5px;  border: none;  cursor: pointer;  font-size: 1em;  background-color: var(--general-btn-color);  color: white;}button.approve, .button.approve, input[type='submit'].approve {  background-color: var(--approve-btn-color);  color: white;}button.reject, .button.reject, input[type='submit'].reject {  background-color: var(--reject-btn-color);  color: white;}button.submit-button, .submit-button {  background-color: var(--general-btn-color);  color: white;}a {  color: var(--primary-color);  text-decoration: none;}a:hover {  text-decoration: underline;}.flash-message {  padding: 10px;  margin-bottom: 15px;  border-radius: 5px;}.flash-message.success {  background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb;}.flash-message.error {  background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb;}.flash-message.info {  background-color: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb;}.flash-message.warning {  background-color: #fff3cd; color: #856404; border: 1px solid #ffeeba;}.logo {    max-width: 150px;    height: auto;    margin-bottom: 20px;}