@import url('https://fonts.googleapis.com/css?family=Roboto:300,400,500,700&display=swap');


body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: darkseagreen;
    font-family: Roboto, sans-serif !important;
    font-weight: 300;
}

#main{
    border: 5px solid green;
    padding: 40px;
    border-radius: 15px;
    align-items: center;      /* centers content horizontally */
    justify-content: center;  /* centers content vertically */
    text-align: center;   
}