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

.wrapper {
width: 800px;
margin: 30px auto;
color:black;
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: lightgrey;
color:black;
font-weight: bold;
text-decoration:none;
border-radius: 5px;
border:none;
box-shadow: 2px 2px gray;

font-size:1.2em;
padding:18px 10px;
width:180px;
margin: 10px;
 
}