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

.wrapper {
width: 80%;
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;
}

#seconds, #tens{
  font-size:2em;
}

button{
background:#ffa600;;
color:#fff;
border: solid 1px #fff;
border-radius: 4px;
text-decoration:none;
cursor:pointer;
font-size:1.2em;
padding:18px 10px;
width:180px;
margin: 10px;
 outline: none;
}

button:hover{
    background-color: #fff;
    color:#ffa600;
    transition-duration: 0.5s;
}