.ana-sayfa{
    width: 500px;
    background-color: blue;
    height: auto;
    margin: 0 auto;
    display: flex;
    padding: 15px;
    border: 4px solid darkblue;
    border-radius: 15px;
}

.sayfa-gorseli{
    margin-right: 15px;
}

.baslik{
    text-align: center;
    margin: 0 auto;
    margin-top: 50px;
    color: white;
    text-shadow: 5px 5px 5px black;
}

#button{
    border: 4px solid red;
    background-color: brown;
    color: white;
    border-radius: 30px;
    padding: 5px;
    font-size: 20px;
    box-shadow: 5px 5px 5px black, inset -3px -3px 5px black;
    text-shadow: 2px 2px 2px black;
    transition: 0.2s;
}

#button:hover{
    cursor: pointer;
    font-size: 25px;
    transition: 0.2s;
    background-color: darkred;
    border: 6px solid brown;
}

#button:active{
    background-color: red;
    border: 8px solid brown;
}

.geriButton{
    display: inline;
    margin-right: -100px;
    border: 4px solid gray;
    background-color: darkred;
    color: white;
    padding: 5px;
    border-radius: 15px;
    box-shadow: 5px 5px 5px black,inset 3px 3px 5px white;
    text-shadow: 5px 5px 5px black;
    font-size: 18px;
}

.geriButton:hover{
    cursor: pointer;
    background-color: brown;
}

.geriButton:active{
    background-color: red;
    box-shadow: inset -3px -3px 5px black,5px 5px 5px black;
}

.main{
    display: flex;
}

@media screen and (max-width: 735px){
    #Button{
        display: block;
        margin-bottom: 20px;
    }

    .ana-sayfa{
        width: 90%;
        margin: 0 auto;
    }

    .geriButton{
        margin-bottom: 20px;
    }

    .main{display: block}
}