.btn-default,
.btn-primary,
.btn-success,
.btn-info,
.btn-warning,
.btn-danger {
    text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.2);
    -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 1px 1px rgba(0, 0, 0, 0.075);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 1px 1px rgba(0, 0, 0, 0.075);
}

.btn-default:active,
.btn-primary:active,
.btn-success:active,
.btn-info:active,
.btn-warning:active,
.btn-danger:active,
.btn-default.active,
.btn-primary.active,
.btn-success.active,
.btn-info.active,
.btn-warning.active,
.btn-danger.active {
    -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
}

.btn-default {
    text-shadow: 0 1px 0 #fff;
    background-image: -webkit-linear-gradient(top, #fff 0%, #e0e0e0 100%);
    background-image: -o-linear-gradient(top, #fff 0%, #e0e0e0 100%);
    background-image: linear-gradient(to bottom, #fff 0%, #e0e0e0 100%);
    border-color: #dbdbdb;
}

.btn-primary {
    background-image: -webkit-linear-gradient(top, #337ab7 0%, #265a88 100%);
    background-image: -o-linear-gradient(top, #337ab7 0%, #265a88 100%);
    background-image: linear-gradient(to bottom, #337ab7 0%, #265a88 100%);
    border-color: #245580;
}

.btn-success {
    background-image: -webkit-linear-gradient(top, #5cb85c 0%, #419641 100%);
    background-image: -o-linear-gradient(top, #5cb85c 0%, #419641 100%);
    background-image: linear-gradient(to bottom, #5cb85c 0%, #419641 100%);
    border-color: #3e8f3e;
}

.btn-info {
    background-image: -webkit-linear-gradient(top, #5bc0de 0%, #2aabd2 100%);
    background-image: -o-linear-gradient(top, #5bc0de 0%, #2aabd2 100%);
    background-image: linear-gradient(to bottom, #5bc0de 0%, #2aabd2 100%);
    border-color: #28a4c9;
}