.container {
  position: relative;
  height: 100vh;
}
.texto1 {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: "Noto Serif", serif;
  font-optical-sizing: auto;
  font-weight: <weight>;
  font-style: normal;
  font-variation-settings: "wdth" 100;
  text-align: center;
  font-size: 1.7em;
}
body {
  background: #6D9890;
  color: #00356B;
}