body {
  background: #fff;
}
.cal{
  font-size: 30px;
  padding: 15px 0;
}

.validationEngineContainer {
  font-family: tahoma, verdana, "sans-serif";
  font-size: 12px;
  padding: 20px;
  border: 1px solid #A5A8B8;
  width: 300px;
  margin: 0 auto;
}

#contents {
  width: 940px;
  margin: 0 auto;
  padding: 0;
}
#contents::after {
  content: none;
}