body {
  margin: 0;
  padding: 0;
  border: 0;
  font-family: "Open Sans", Arial, sans-serif;
}

.center { text-align: center; }

.is-hidden { display: none; }

.button {
  letter-spacing: -0.5px;
  font-weight: 600;
  text-decoration: none;
  color: #333;
  background: #e3e3e3;
  padding: 10px 15px;
  display: inline-block;
  border-radius: 5px;
  cursor: pointer;
  border-bottom-width: 2px;
  border-bottom-style: solid;
  border-bottom-color: #999;
}

.button:hover {
  border-bottom-width: 1px;
  margin-top: 3px;
}

.button-primary {
  background: #3498db;
  color: #fff;
}

.button-close {
  display: inline-block;
  width: 16px;
  height: 16px;
  position: absolute;
  top: 10px;
  right: 10px;
  cursor: pointer;
  background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABHNCSVQICAgIfAhkiAAAAAlwSFlzAAAAowAAAKMB8MeazgAAABl0RVh0U29mdHdhcmUAd3d3Lmlua3NjYXBlLm9yZ5vuPBoAAAB5SURBVDiNrZPRCcAwCEQfnUiySAZuF8kSWeH6Yz8KrQZMQAicJ+epAB0YwAmYJKIADLic0/GPPCbQAnLznCd/4NWUFfkgy1VjH8CryA95ApYltAiTRCZxpuoW+gz9WXE6NPeg+ra1UDIxGlWEObe4SGxY5fIxlc75Bkt9V4JS7KWJAAAAAElFTkSuQmCC59ef34356faa7edebc7ed5432ddb673d');
}

.page-title { font-weight: 300; }

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  z-index:9999
}

.modal-content {
  padding: 20px 30px;
  width: 400px;
  position: relative;
  min-height: 300px;
  margin: 5% auto 0;
  background: #fff;
  z-index:9999
}