.professional-section .beforeAfter-item .flag img {
    min-width: 42px;
    max-width: 42px;
}

ul, ol, li {
    list-style-type: none;
}

.saturate {
    filter: saturate(3);
}

.grayscale {
    filter: grayscale(100%);
}

.contrast {
    filter: contrast(160%);
}

.brightness {
    filter: brightness(0.25);
}

.blur {
    filter: blur(3px);
}

.invert {
    filter: invert(100%);
}

.sepia {
    filter: sepia(100%);
}

.huerotate {
    filter: hue-rotate(180deg);
}

.rss.opacity {
    filter: opacity(50%);
}

.main-footer {
    background: #000;
    padding-bottom: 54px;
}