.red_button {
     background: crimson !important;
     border: none !important;
     color: white !important;
 }
 .red_button:hover {
     background: red !important;
 }
 
 ._df_button {
     background: red !important;
     border: none !important;
     color: white !important;
 }
 ._df_button:hover {
     background: #444 !important;
 }