@import url(https://fonts.googleapis.com/css?family=Open+Sans:400,300,600,700,800);

*{
  padding:0;
  margin:0;
  box-sizing: border-box;
}

html,body{
  font-family:'Open Sans', Roboto, Helvetica, sans-serif;
  font-size:12px;
}

body{
  padding:10px;
  text-align: center;
}

h2{
  margin-bottom:10px;
}

main{
  margin:10px 0 0 0;
}

main > article{
  margin-top:20px;
}

article.design{
  margin-bottom:300px;
}

article.design div.DateTimePicker > div.picker > div.button-calendar,
article.design div.DateTimePicker > div.picker > div.button-time,
article.design div.DateTimePicker > div.picker > article.calendar{
  display:block;
}