.winner_tab, .magazine_tab, .gallery_tab, .mbr_tab {
    margin-top: 20px;
}
.winner_tab > a, .gallery_tab > a, .magazine_tab > a, .mbr_tab a {
    display: block;
    width: 351px;
    height: 89px;
    background-repeat: no-repeat;
    border-radius: 5px;
    opacity: 1;
    -webkit-transition: opacity 0.5s ease-out;
    -moz-transition: opacity 0.5s ease-out;
    -o-transition: opacity 0.5s ease-out;
    transition: opacity 0.5s ease-out;
}
.winner_tab > a:hover, .magazine_tab > a:hover, .gallery_tab > a:hover, .mbr_tab > a:hover{
    opacity: 0.8;
    -webkit-transition: opacity 0.5s ease-out;
    -moz-transition: opacity 0.5s ease-out;
    -o-transition: opacity 0.5s ease-out;
    transition: opacity 0.5s ease-out;
}

.winner_tab > a { background-image: url(../img/award_2015.png); }
.gallery_tab > a { background-image: url(../img/glr_tab.png); }
.magazine_tab > a { background-image: url(../img/mgzn_tab.png); }
.mbr_tab > a { background-image: url(../img/mbr-awards.png); }