.w3-theme-grey {color:#fff !important;  font-weight: bold; background-color: #6c6753 !important}

.w3-theme {color:#fff !important; background-color:#2196f3 !important}
.w3-text-theme {color:#2196f3 !important}
.w3-border-theme {border-color:#2196f3 !important}

.w3-hover-theme:hover {color:#fff !important; background-color:#2196f3 !important}
.w3-hover-text-theme:hover {color:#2196f3 !important}
.w3-hover-border-theme:hover {border-color:#2196f3 !important}