body {
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    padding: 0 40px;
}

/* Heading of the page */
h1 {
    background-image: url("images/blue_background.png");
    background-position: center;
    /* Center the image */
    background-repeat: no-repeat;
    /* Do not repeat the image */
    background-size: cover;
    /* Resize the background image to cover the entire container */

    min-height: 8rem;
    font-size: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: aliceblue;
}

/* Subheadings of the page */
h2 {
    margin-left: 40px;
    margin-right: 40px;
    margin-top: 30px;
    margin-bottom: 30px;
    color: #376581;
    font-size: 40px;
    text-align: center;
    background-color: aliceblue
}

/* Messages/Notices */
h3 {
    margin-left: 37px;
    margin-right: 37px;
    margin-top: 30px;
    margin-bottom: 30px;
    color: rgb(15, 65, 122);
    text-align: center;
    font-size: 30px;
}

/* Important entries */
h4 {
    margin-left: 35px;
    margin-right: 35px;
    margin-top: 30px;
    margin-bottom: 30px;
    color: rgb(15, 65, 122);
    font-size: 30px;
}

/* Paragraph text */
p {
    display: block;
    margin-left: 40px;
    margin-right: 40px;
    margin-top: 30px;
    margin-bottom: 30px;
    color: rgb(15, 65, 122);
    text-align: left;
    font-size: 20px;
}

/* Contact and website information */
footer {
    margin-left: 40px;
    margin-right: 40px;
    margin-top: 30px;
    margin-bottom: 30px;
    color: rgb(6, 24, 63);
    text-align: left;
    font-size: 15px;
}

/* Special effects */
span {
    color: rgb(15, 65, 122);
    position: relative;
    display: inline-block;
    background-color: aliceblue;
    font-size: 30px;
    text-align: center;
    padding: 20px;
}

ul {
    color: rgb(15, 65, 122);
    font-size: 20px;
    text-align: left;
}

ol {
    color: rgb(15, 65, 122);
    font-size: 20px;
    text-align: left;
}

img {
    margin-left: 40px;
}

button {
    border-width: 0;
    background-color: cornflowerblue;
    color: white;
    padding: 0.5rem;
}

button>a {
    text-decoration: none;
    color: white;
}

.center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.flex {
    display: flex;
}

.horizontal {
    display: flex;
    flex-direction: column;
}

footer {
    display: flex;
    background-color: aliceblue;
    width: 100%;
    padding: 0;
    margin: 0;
}

footer>img {
    margin-right: 40px;
}

.mb40 {
    margin-bottom: 40px;
}