.test {
    align-items: center;
    justify-content: center;
    display: flex;
    height: 100%;
    width: 100%;
}

@font-face {
    font-family: "Trebuchet MS";
}

.hello_world {
    color: #003d0d;
    font-size: 4em;
}

html, body, main {
    background-color: #c6e7c6;
    height: 100%;
    width: 100%;
    margin: 0px;
    font-family: "Trebuchet MS";
}