.btn-flat {
     border: none !important;
     box-shadow: none !important;
}
 .btn-embossed {
     box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .15) !important;
}
 .btn-embossed.active, .btn-embossed:active {
     box-shadow: inset 0 2px 0 rgba(0, 0, 0, .15) !important;
}
 .btn-azur {
     color: #fff !important;
     background-color: #1abc9c !important;
}
 .btn-azur:hover, .btn-azur.hover, .btn-azur:focus, .btn-azur:active, .btn-azur.active, .open > .dropdown-toggle.btn-azur {
     color: #fff !important;
     background-color: #48c9b0 !important;
     border-color: #48c9b0 !important;
}
 .btn-azur:active, .btn-azur.active, .open > .dropdown-toggle.btn-azur {
     background: #16a085 !important;
     border-color: #16a085 !important;
}
 .btn-grey:hover, .btn-grey.hover, .btn-grey:focus, .btn-grey:active, .btn-grey.active, .open > .dropdown-toggle.btn-grey {
     color: #fff !important;
     background-color: #cacfd2 !important;
     border-color: #cacfd2 !important;
}
 .btn-grey:active, .btn-grey.active, .open > .dropdown-toggle.btn-grey {
     background: #a1a6a9 !important;
     border-color: #a1a6a9 !important;
}
 .btn-yellow {
     color: #fff !important;
     background-color: #f1c40f !important;
}
 .btn-yellow:hover, .btn-yellow.hover, .btn-yellow:focus, .btn-yellow:active, .btn-yellow.active, .open > .dropdown-toggle.btn-yellow {
     color: #fff !important;
     background-color: #f4d313 !important;
     border-color: #f4d313 !important;
}
 .btn-yellow:active, .btn-yellow.active, .open > .dropdown-toggle.btn-yellow {
     background: #cda70d !important;
     border-color: #cda70d !important;
}
 .btn-blue {
     color: #fff !important;
     background-color: #3498db !important;
}
 .btn-blue:hover, .btn-blue.hover, .btn-blue:focus, .btn-blue:active, .btn-blue.active, .open > .dropdown-toggle.btn-blue {
     color: #fff !important;
     background-color: #5dade2 !important;
     border-color: #5dade2 !important;
}
 .btn-blue:active, .btn-blue.active, .open > .dropdown-toggle.btn-blue {
     background: #2c81ba !important;
     border-color: #2c81ba !important;
}
 .btn-black {
     color: #fff !important;
     background-color: #34495e !important;
}
 .btn-black:hover, .btn-black.hover, .btn-black:focus, .btn-black:active, .btn-black.active, .open > .dropdown-toggle.btn-black {
     color: #fff !important;
     background-color: #415b76 !important;
     border-color: #415b76 !important;
}
 .btn-black:active, .btn-black.active, .open > .dropdown-toggle.btn-black {
     background: #2c3e50 !important;
     border-color: #2c3e50 !important;
}

.btn-embossed {
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .15) !important;
}
.btn-embossed.active,
.btn-embossed:active {
   box-shadow: inset 0 2px 0 rgba(0, 0, 0, .15) !important;
}