/* clean gray
*******************************************************************************/
input.clean-gray {
    -webkit-appearance: none;
    appearance: none;
    background-color: #4a4a4a;
    background-image: none;
    border: none;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
    color: #fff;
    -webkit-text-fill-color: #fff;
    cursor: pointer;
    font-family: Arial, Tahoma, Helvetica, sans-serif;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.4;
    margin: 2px;
    padding: 7px 16px;
    text-align: center;
    transition: background-color 0.15s ease, box-shadow 0.15s ease;
}

input.clean-gray:hover {
    background-color: #333333;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    cursor: pointer;
}

input.clean-gray:active {
    background-color: #1e1e1e;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.35);
    transform: translateY(1px);
}

input.clean-gray:focus {
    outline: 3px solid #aaaaaa;
    outline-offset: 2px;
}