bootstrap-theme.css

.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:active,
.btn.active {
  background-image: none;
}

.btn-default {
  text-shadow: 0 1px 0 #fff;
  background-image: -webkit-gradient(linear, left 0%, left 100%, from(#ffffff), to(#e6e6e6));
  background-image: -webkit-linear-gradient(top, #ffffff, 0%, #e6e6e6, 100%);
  background-image: -moz-linear-gradient(top, #ffffff 0%, #e6e6e6 100%);
  background-image: linear-gradient(to bottom, #ffffff 0%, #e6e6e6 100%);
  background-repeat: repeat-x;
  border-color: #e0e0e0;
  border-color: #ccc;
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffffff', endColorstr='#ffe6e6e6', GradientType=0);
}

.btn-default:active,
.btn-default.active {
  background-color: #e6e6e6;
  border-color: #e0e0e0;
}

.btn-primary {
  background-image: -webkit-gradient(linear, left 0%, left 100%, from(#428bca), to(#3071a9));
  background-image: -webkit-linear-gradient(top, #428bca, 0%, #3071a9, 100%);
  background-image: -moz-linear-gradient(top, #428bca 0%, #3071a9 100%);
  background-image: linear-gradient(to bottom, #428bca 0%, #3071a9 100%);
  background-repeat: repeat-x;
  border-color: #2d6ca2;
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff428bca', endColorstr='#ff3071a9', GradientType=0);
}

.btn-primary:active,
.btn-primary.active {
  background-color: #3071a9;
  border-color: #2d6ca2;
}

.btn-success {
  background-image: -webkit-gradient(linear, left 0%, left 100%, from(#5cb85c), to(#449d44));
  background-image: -webkit-linear-gradient(top, #5cb85c, 0%, #449d44, 100%);
  background-image: -moz-linear-gradient(top, #5cb85c 0%, #449d44 100%);