body,html {
  height: 100%;
}

.jumbotron {
    background-color: #fff;
}

@media only screen and (max-width: 1920px)
{
    .logo {
        margin-bottom: 20px;
        width: 300px;
    }

    .logo-rah {
        margin-top: 2%;
        width: 100px
    }

    .lead {
        font-weight: bold;
        font-size: 1.75rem;
    }
    
}

@media only screen and (max-width: 768px)
{
    .logo {
        margin-bottom: 20px;
        width: 90%;
    }

    .logo-rah {
        margin-top: 2%;
        width: 60%;
    }

    .lead {
        font-weight: bold;
        font-size: 2rem;
    }
}