::selection {
    background-color: #4C4C4C;
    color: #000;
}

::-moz-selection {
background-color: #4C4C4C;
    color: #000;
}

::-o-selection {
background-color: #4C4C4C;
    color: #000;
}

::-ms-selection {
background-color: #4C4C4C;
    color: #000;
}

::-webkit-selection {
background-color: #4C4C4C;
    color: #000;
}