.page-header-1 {
    background-image: url('../images/research-header-1.png');
    overflow: hidden;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50%;
    position: relative;
    box-shadow: inset 0 0 0 1000px rgba(0,0,0,.4);
}
.page-header-2 {
    background-image: url('../images/research-header-2.png');
    overflow: hidden;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50%;
    position: relative;
    box-shadow: inset 0 0 0 1000px rgba(0,0,0,.4);
}
.page-header-3 {
    background-image: url('../images/research-header-3.png');
    overflow: hidden;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50%;
    position: relative;
    box-shadow: inset 0 0 0 1000px rgba(0,0,0,.4);
}
.page-header-4 {
    background-image: url('../images/research-header-4.png');
    overflow: hidden;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50%;
    position: relative;
    box-shadow: inset 0 0 0 1000px rgba(0,0,0,.4);
}

.research-width {
    margin-right: 0px !important;
    margin-left: calc(100% * .2 - 20px)
}