.page_navigation.prev > a{
    display:block;
    background-image: url("../images/prev.svg");
    background-size: cover;
    width: 35px;
    height: 35px;
    color: white !important;
    margin: 5px;
}

.page_navigation.next > a{
    display:block;
    background-image: url("../images/next.svg");
    background-size: cover;
    width: 35px;
    height: 35px;
    color: white !important;
    margin: 5px;
}

.prev{
    position: fixed;
    bottom: 25px;
    left: 25px;
    z-index: 40;

    background-color: grey;

    -webkit-box-shadow: 2px 2px 10px 2px rgba(0,0,0,0.32); 
    box-shadow: 2px 2px 10px 2px rgba(0,0,0,0.32);    
}

.next{

    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 40;

    background-color: grey;

    -webkit-box-shadow: 2px 2px 10px 2px rgba(0,0,0,0.32); 
    box-shadow: 2px 2px 10px 2px rgba(0,0,0,0.32);
}