body {
    font-family: "Segoe UI", Arial, sans-serif;
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    background-color: #fafafa;
}

body > * {
    width: 100%;
    max-width: 810px;
}

header > img {
    width: 100%;
}

.block {
    width: 100%;
    background-color: #fff;
}

.block.content {
    width: 100%;
    border-color: rgba(0, 0, 0, 0);
    box-shadow:
        rgba(0, 0, 0, 0.12) 0px 0px 2px 0px,
        rgba(0, 0, 0, 0.14) 0px 2px 4px 0px;
    margin-bottom: 8px;
}

main {
    margin-top: 2rem;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: start;
}

footer {
    width: 100%;
    margin-bottom: 2rem;
}

footer > * {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
}

#welcome-message {
    padding: 1rem;
    font-size: 18px;
    text-align: justify;
}

.titanic {
    float: none;
}