body {
    margin: 0;
    background-color: grey;
    color: limegreen;
}

.sikidomok {
    display: grid;
    grid-template-columns: 33.3% 33.3% 33.3%;
    grid-template-rows: 50% 50%;
    margin-top: 15%;
    margin-bottom: 15%;
}

.header {
    font-size: 200%;
    width: 100%;
    position: fixed;
    top: 0%;
    left: 0%;
    background-color: rgb(53, 53, 53);
    text-align: center;
    padding-top: 2%;
    padding-bottom: 2%;
}



.kepcim {
    font-size: 150%;
    text-align: center;
}

.kep {
    width: 30%;
    margin-left: 35%;
    margin-right: 35%;
}

.footer {
    width: 100%;
    position: fixed;
    bottom: 0%;
    left: 0%;
    background-color: rgb(53, 53, 53);
    text-align: center;
    padding-top: 2%;
    padding-bottom: 2%;
}

.gep {
    width: 50%;
    align-items: center;
    background-color: rgb(53, 53, 53);
    margin-top: 20%;
    margin-left: 25%;
    margin-bottom: 20%;
    right: 25%;
    display: none;
    grid-template-columns: 100%;
    border-radius: 20px;
}

.gepg {
    display: grid;
    grid-template-columns: 40% 60%;
    margin-left: 0;
}

.gepg>div>.kep {
    margin-left: 10%;
    margin-right: 10%;
    width: 80%;
}

input[type="number"] {
    background-color: lime;
    width: 40%;
}

select {
    background-color: lime;
}

input[type="button"] {
    background-color: lime;
}

a {
    text-decoration: none;
    color: limegreen;
}

@media screen and (max-width:1000px) {
    .sikidomok {
        grid-template-columns: 50% 50%;
        grid-template-rows: 33.3% 33.3% 33.3%;
    }
}

@media screen and (max-width:500px) {
    .sikidomok {
        grid-template-columns: 100%;
        grid-template-rows: 16.6% 16.6% 16.6% 16.6% 16.6% 16.6%;
    }

    .gep{
        margin-top: 50%;
    }
    .gepg {
        grid-template-columns: 80%;
        margin-left: 20%;
    }
}