.header {
    display: inline-block
    position: relative;
}

.header--img {
    display: block;
    width: 100%;
    height: auto;
    padding: 0 !important;
}

.header .header--title {
    font-size: 42px;
    font-weight: bold;
    padding-left: 10px;
    padding-right: 10px;
}
.header .header--subtitle {
    font-size: 24px;
    padding-left: 10px;
    padding-right: 10px;
}
/*
.header .header--subtitle {
    font-size: 26px;
    padding-left: 10px;
    padding-right: 10px;
}
*/
/* Bottom left text */
.header--block {
    position: absolute;
    top: 2%;
    left: 1%;
    background-color: rgb(0, 0, 0); /* Fallback color */
    background-color: rgba(0,0,0,0.7);
    color: white;
    padding: 10px;
}

.header--block-back {
    position: absolute;
    top: 4%;
    right: 1%;
    background-color: rgb(0, 0, 0); /* Fallback color */
    background-color: rgba(0,0,0,0.6);
    color: white;
    font-size: larger;
    border: 1px solid white;
    padding: 10px;
}