.custom-icon {
    display: inline-block;
    width: 20px;
    height: 20px;
    background-color: currentColor;
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: contain;
}

.icon-telegram {
    mask-image: url('https://cdn.simpleicons.org/telegram');
    -webkit-mask-image: url('https://cdn.simpleicons.org/telegram');
}

.icon-discord {
    mask-image: url('https://cdn.simpleicons.org/discord');
    -webkit-mask-image: url('https://cdn.simpleicons.org/discord');
}