body {
  background-color: #ffffff;
  font-family: Roboto, sans-serif;
  color: #000000;
  font-size: 18px;
  line-height: 20px;
  font-weight: 300;
}

h1 {
  background-color: #ffffff;
  font-family: Roboto, sans-serif;
  color: #000000;
  font-size: 60px;
  line-height: 66px;
  font-weight: 300;
  text-align: center;
}

.holder {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  width: 100vw;
  height: 100vh;
  margin-right: auto;
  margin-left: auto;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-flex-wrap: nowrap;
  -ms-flex-wrap: nowrap;
  flex-wrap: nowrap;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-align-content: center;
  -ms-flex-line-pack: center;
  align-content: center;
}