.kook-icon {
    background-repeat: no-repeat;
    -webkit-background-size: contain;
    background-size: contain;
    display: inline-block;
    vertical-align: middle;
    margin-left: 5px;
    width: 40px;
    height: 40px;
}

.kook-icon-messages {
    background-image: url('../images/icons/messages.png');
    height: 30px;
}
.kook-icon-articles {
    background-image: url('../images/icons/icon-articles.png');
}
.kook-icon-fashion {
    background-image: url('../images/icons/icon-fashion.png');
}
.kook-icon-instagram {
    background-image: url('../images/icons/icon-instagram.png');
}
.kook-icon-shop {
    background-image: url('../images/icons/icon-shop.png');
}
.kook-icon-telegram {
    background-image: url('../images/icons/icon-telegram.png');
}
.kook-icon-mytrains {
    background-image: url('../images/icons/icon-mytrains.png');
}
.kook-icon-training {
    background-image: url('../images/icons/icon-training.png');
}
.kook-icon-videos {
    background-image: url('../images/icons/icon-videos.png');
}
.kook-icon-user-avatar {
    background-image: url('../images/icons/user-default.png');
    width: 90px;
    height: 90px;
}
.kook-icon-map {
    background-image: url('../images/icons/map.png');
    width: 40px;
    height: 40px;
}