.wp-core-ui .button-flush {
    background: #dd823b;
    border-color: #c36922 #ad5d1e #ad5d1e;
    color: #fff;
    box-shadow: 0 1px 0 #ad5d1e;
    text-shadow: 0 -1px 1px #ad5d1e,1px 0 1px #ad5d1e,0 1px 1px #ad5d1e,-1px 0 1px #ad5d1e
}

.wp-core-ui .button-flush:focus,
.wp-core-ui .button-flush:hover {
    background: #df8a48;
    border-color: #ad5d1e;
    color: #fff;
    box-shadow: 0 1px 0 #ad5d1e
}

.wp-core-ui .button-flush:focus {
    box-shadow: inset 0 1px 0 #c36922,0 0 2px 1px #33b3db
}

.wp-core-ui .button-flush.active,
.wp-core-ui .button-flush.active:focus,
.wp-core-ui .button-flush.active:hover,
.wp-core-ui .button-flush:active {
    background: #c36922;
    border-color: #ad5d1e;
    box-shadow: inset 0 2px 0 #ad5d1e
}