html, body {
    background: #efefef;      
    height:100%;  
  }
  #center-text {          
    display: flex;
    flex: 1;
    flex-direction:column; 
    justify-content: center;
    align-items: center;  
    height:100%;
  }

.roboto-class {
  font-family: "Roboto", serif;
  font-optical-sizing: auto;
  font-weight: 100;
  font-style: normal;
  font-variation-settings:
    "wdth" 200;
    font-size: 27px;
}

.roboto-class h2{
    font-weight: 400s;
}