a.btn {color:#fff}
.btn {
  display: inline-block;
  padding: 6px 12px;
  margin-bottom: 0;
  font-size: 14px;
  font-weight: normal;
  line-height: 1.428571429;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  background-image: none;
  border: 1px solid transparent;
  border-radius: 4px;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
       -o-user-select: none;
          user-select: none;
}

.btn:focus {
  outline: thin dotted #333;
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
}

.btn:hover,
.btn:focus {
  color: #fff;
  text-decoration: none;
}

.btn:active,
.btn.active {
  background-image: none;
  outline: 0;
  -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-lg {
  padding: 10px 16px;
  font-size: 18px;
  line-height: 1.33;
  border-radius: 6px;
}
.btn-warning{
  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-warning.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-warning {
  background-image: -webkit-gradient(linear, left 0%, left 100%, from(#f0ad4e), to(#eb9316));
  background-image: -webkit-linear-gradient(top, #f0ad4e 0%, #eb9316 100%);
  background-image: -moz-linear-gradient(top, #f0ad4e 0%, #eb9316 100%);
  background-image: linear-gradient(to bottom, #f0ad4e 0%, #eb9316 100%);
  background-repeat: repeat-x;
  border-color: #e38d13;
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff0ad4e', endColorstr='#ffeb9316', GradientType=0);
  filter: progid:DXImageTransform.Microsoft.gradient(enabled=false);
}

.btn-warning:hover,
.btn-warning:focus {
  background-color: #eb9316;
  background-position: 0 -15px;
}

.btn-warning:active,
.btn-warning.active {
  background-color: #eb9316;
  border-color: #e38d13;
}