テーマLuxeritasでSNSシェアボタンを追加したらLighthouseのAccessibilityが減点されたのでCSS貼った件

/* SNSシェアボタンを調整する。 */
#main #core .sns-msg h2 {
    border-bottom-color: #0068b7;
}
#main #core #sns-bottoms .snsfb li {
    margin: 2px;
    padding: 1px;
    min-width: 13%;
    border-radius: 3px;
    box-shadow: 1px 1px 3px 0 rgba(0, 0, 0, .3);
}
#main #core #sns-bottoms .snsfb li:hover {
    opacity: .7;
}
#main #core #sns-bottoms .snsfb li a {
    height: auto;
    border: 2px solid #fff;
}
#main #core #sns-bottoms .snsfb li.twitter {
    background-color: #1e7aaf;
}
#main #core #sns-bottoms .snsfb li.twitter a {
    background-color: #1e7aaf;
}
#main #core #sns-bottoms .snsfb li.facebook {
    background-color: #3b5998;
}
#main #core #sns-bottoms .snsfb li.facebook a {
    background-color: #3b5998;
}
#main #core #sns-bottoms .snsfb li.pinit {
    background-color: #bd081c;
}
#main #core #sns-bottoms .snsfb li.pinit a {
    background-color: #bd081c;
}
#main #core #sns-bottoms .snsfb li.linkedin {
    background-color: #0e76a8;
}
#main #core #sns-bottoms .snsfb li.linkedin a {
    background-color: #0e76a8;
}
#main #core #sns-bottoms .snsfb li.pocket {
    background-color: #cf3648;
}
#main #core #sns-bottoms .snsfb li.pocket a {
    background-color: #cf3648;
}
#main #core #sns-bottoms .snsfb li.line {
    background-color: #017501;
}
#main #core #sns-bottoms .snsfb li.line a {
    background-color: #017501;
}
#main #core #sns-bottoms .snsfb #cp-button-bottoms {
    background-color: #a36314;
}
#main #core #sns-bottoms .snsfb #cp-button-bottoms a {
    background-color: #a36314;
}
#main #core #sns-bottoms #cp-msg-bottoms {
    background-color: #555 !important;
}