body {
  background-color:#f7f7f7;
}

.container-middle {
  width:800px;
  margin:0 auto;
}
.container-small {
  width:500px;
  margin:0 auto;
}

.inner-rounded {
  padding:20px;
  border-radius:8px;
  background-color:white;
  box-shadow:0 0 5px #efefef;
}
label {
  font-weight:bold;
}

@media (max-width:500px) {
  .container-small {
    width:90%;
  }
}