div {
    border: 2px black solid;
    width: 300px;
    margin:auto;
    padding: 3px;
    background-color: green;
    font-family:'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif
}

button, #textruta{
    margin: auto;
    display: block;
}

#ruta2 {
    height:50px
}

h2{
    text-align: center;
    margin: auto;
    width: 300px;
    padding: 5px;
}

#yakub{
    opacity: 0;
}