/* Reset default margins */
html, body {
    height: 100%;
    margin: 0;
}

/* Layout */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Top line */
.top-line {
    background-color: #cc0000;
    height: 5px;
    width: 100%;
    position: fixed;      /* Pin to the top of the viewport */
    top: 0;
    left: 0;
}

/* Bottom line */
.bottom-line {
    background-color: #cc0000;
    height: 5px;
    width: 100%;
    position: fixed;      /* Pin to the bottom of the viewport */
    bottom: 0;
    left: 0;
}

/* Center the logo */
.logo-container {
    flex: 1;              /* Take remaining space */
    display: flex;
    justify-content: center;
    align-items: center;
    /* prevent the centered area from being overlapped by fixed bars */
    padding-top: 5px;
    padding-bottom: 5px;
}

.logo-container img {
    max-width: 100%;
    height: auto;
}