.btn {
  border: 1px solid black;
  background-color: white;
  color: black;
  padding: 2px 4px;
  font-size: 12px;
  cursor: pointer;
}

/* Green */
.success {
  border-color: #4CAF50;
  color: green;
}

.success:hover {
  background-color: #4CAF50;
  color: white;
}

/* Blue */
.info {
  border-color: #2196F3;
  color: dodgerblue;
}


.info:hover {
  background: #2196F3;
  color:white;
}


/* Orange */
.warning {
  border-color: #ff9800;
  color: orange;
}

.warning:hover {
  background: #ff9800;
  color: white;
}

/* Red */
.danger {
    border-color: #f44336;
    color: red;
   
}

.danger:hover {
  background: #f44336;
  color: white;
}

/* Gray */
.default {
  border-color: #e7e7e7;
  color: black;
}

.default:hover {
  background: #e7e7e7;
}