body{
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 10px;
  box-sizing: border-box;
  #app{
    height: 100%;
    width: 100%;
  }
}
.main-header{
  text-align: center;
  margin-bottom: 15px;
  .cobalt{
    font-size: 25px;
    font-weight: bold;
    margin-right: 10px;
  }
}
.sub-header{
  text-align: center;
  font-weight: bold;
}