:root {

    --navigation-bgcolor: #fff;

    --navigation-color: #000;

    --navigation-active-color: #878787;

    --navigation-font-size: 17px;

}
.navigation {}
.navigation_link {  padding: 14px 30px;   margin: 20px 0 0 0; border-radius: 0 10px 10px 0px;  background: var(--navigation-bgcolor); width: 80%;
    display: inline-block;  font-size: var(--navigation-font-size); color: var(--navigation-color); text-align: right;font-weight: bold;  }
.navigation_link.active ,.navigation_link:hover { background: var(--navigation-active-color); color: #fff;}