body {
    margin-left: 0px;
    margin-top: 0px;
    margin-right: 0px;
    margin-bottom: 0px;
    background: url('https://ssf.gsb.gov.tr/sifredegistirmetalimati/images/dinamik_ic_background.jpg') no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    font-family: Calibri,Arial,Helvetica,Sans-Serif;
    font-style: normal;
    font-weight: normal;
}

.rsm {
    margin-top: 20px;
    height: 350px;
}

.yazi {
    display: block;
    font-size: 1.2em;
    margin-top: 15px;
    font-weight: bold;
}

.geriyazi {
    display: block;
    font-size: 1.1em;
    margin-top: 15px;
    font-weight: bold;
}

@media only screen and (max-width:1199px) {
    .rsm {
        margin-top: 15px;
        height: 250px;
    }

    .yazi {
        display: block;
        font-size: 1em;
        font-weight: bold;
        margin-top: 10px;
    }

    .geriyazi {
        display: block;
        font-size: 1em;
        font-weight: bold;
        margin-top: 10px;
    }
}

@media only screen and (max-width:767px) {
    .rsm {
        margin-top: 10px;
        height: 150px;
    }

    .yazi {
        display: block;
        font-size: 0.8em;
        font-weight: bold;
        margin-top: 5px;
    }

    .geriyazi {
        display: block;
        font-size: 0.8em;
        font-weight: bold;
        margin-top: 5px;
    }
}

.blink_me {
    animation: blinker 2s linear infinite;
}

@keyframes blinker {
    50% {
        opacity: 0;
    }
}