body {
  background: #f0f0f0;
  box-shadow: rgba(100, 100, 111, 0.2) 0px 7px 29px 0px;
  width: 60%;
  margin: auto;
  padding: 2em;
  font-family: 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
  font-size: 18px;
  line-height: 1.5em;
}
.form-control,
.sub-button{
font-size: inherit;
padding: 0.5em;
}

.sub-button:hover,
.sub-button:focus{
  background-color: #ccc;
}