.column {
    width: 300px;
}

img {
    width: 100%;
    cursor: pointer;
}


:-webkit-full-screen .column {
    width: 100%;
}

:-moz-full-screen .column {
    width: 100%;
}


:-ms-full-screen .column {
    width: 100%;
}


:-o-full-screen .column {
    width: 100%;
}


:full-screen .column {
    width: 100%;
}