@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap');

body {
    font-family: Roboto;
    color: darkslategrey;
}

h1 {
    font-weight: bold;
    font-size: xxx-large;
}

.contenedor {
    height: 200px;
    width: 600px;
    position: absolute;
    left: 50%;
    margin-left: -300px;
    top:50%;
    margin-top: -100px;
    text-align: center;
}

.roboto-thin {
    font-family: "Roboto", sans-serif;
    font-weight: 100;
    font-style: normal;
}

.roboto-light {
    font-family: "Roboto", sans-serif;
    font-weight: 300;
    font-style: normal;
}

.roboto-regular {
    font-family: "Roboto", sans-serif;
    font-weight: 400;
    font-style: normal;
}

.roboto-medium {
    font-family: "Roboto", sans-serif;
    font-weight: 500;
    font-style: normal;
}

.roboto-bold {
    font-family: "Roboto", sans-serif;
    font-weight: 700;
    font-style: normal;
}

.roboto-black {
    font-family: "Roboto", sans-serif;
    font-weight: 900;
    font-style: normal;
}

.roboto-thin-italic {
    font-family: "Roboto", sans-serif;
    font-weight: 100;
    font-style: italic;
}

.roboto-light-italic {
    font-family: "Roboto", sans-serif;
    font-weight: 300;
    font-style: italic;
}

.roboto-regular-italic {
    font-family: "Roboto", sans-serif;
    font-weight: 400;
    font-style: italic;
}

.roboto-medium-italic {
    font-family: "Roboto", sans-serif;
    font-weight: 500;
    font-style: italic;
}

.roboto-bold-italic {
    font-family: "Roboto", sans-serif;
    font-weight: 700;
    font-style: italic;
}

.roboto-black-italic {
    font-family: "Roboto", sans-serif;
    font-weight: 900;
    font-style: italic;
}