/* Static banner background */
.mil-banner {
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    height: 100vh;
}
.mil-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}
.mil-banner-bg img {
    display: block;
}