body {
  background: #ffa600;
  font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue",
    Helvetica, Arial, "Lucida Grande", sans-serif;
  height: 100%;
}

.base {
  width: 800px;
  margin: 30px auto;
  color: #fff;
  text-align: center;
}

h1,
h2,
h3 {
  font-family: "Roboto", sans-serif;
  font-weight: 100;
  font-size: 2.6em;
  text-transform: uppercase;
}

#segundos,
#dezena {
  font-size: 2em;
}

button {
background: #ffa600;
color: #fff;
border: solid 1px #fff;
text-decoration: none;
cursor: pointer;
font-size: 1.2em;
padding: 18px 10px;
width: 180px;
margin: 10px;
outline: none;
}