.baslik{
    font-size:25px

}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #34495e;
}

li {
    display:inline-block;
}

li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

li a:hover{
    background-color:#f39c12; 
}

ul li ul {
    background-color:#2c3e50;
    display:none;
    position:absolute;
    width:100px
}

ul li:hover ul{
    display:block;
}
li ul li {
    display:block; 
}