*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body{
    background-image: url(../images/large-scale-map-of-usa.jpg);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
}

h1{
    font-size: 3.5rem;
    font-family: 'Noto Serif', serif;
    -webkit-text-fill-color: red;
    -webkit-text-stroke: 1px gold;
}

.jumbotron{
    margin-top: 13px;
    background-image: url("../images/1200x240.jpg");
    background-size: cover;
    text-align: center;
}

.card{
    border: 1px solid rgb(6, 51, 252);
    margin: 20px;
}

.card-header{
    background-color: skyblue;
}