.icon-home {
    background-image: url("Icons/home_14.png");
    background-position: center center;
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-top: 0px;
    line-height: 16px;
}
.icon-messages {
    background-image: url("Icons/messages_14.png");
    background-position: center center;
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-top: 0px;
    line-height: 14px;
}
.icon-exercises {
    background-image: url("Icons/exercises_14.png");
    background-position: center center;
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-top: 0px;
    line-height: 14px;
}
.icon-lessons {
    background-image: url("Icons/lessons_14.png");
    background-position: center center;
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-top: 0px;
    line-height: 14px;
}
.icon-theory {
    background-image: url("Icons/theory_14.png");
    background-position: center center;
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-top: 0px;
    line-height: 16px;
}
.icon-words {
    background-image: url("Icons/words_14.png");
    background-position: center center;
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-top: 0px;
    line-height: 16px;
}
.icon-users {
    background-image: url("Icons/users_14.png");
    background-position: center center;
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-top: 0px;
    line-height: 16px;
}
.icon-myprofile {
    background-image: url("Icons/myprofile_14.png");
    background-position: center center;
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-top: 0px;
    line-height: 16px;
}
.icon-schedule {
    background-image: url("Icons/schedule_14.png");
    background-position: center center;
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-top: 0px;
    line-height: 16px;
}
.icon-stats {
    background-image: url("Icons/stats_14.png");
    background-position: center center;
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-top: 0px;
    line-height: 16px;
}
.icon-chat {
    background-image: url("Icons/chat_14.png");
    background-position: center center;
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-top: 0px;
    line-height: 16px;
}