.hidden_spoiler .mw-collapsible-content {
display: inline!important;
}
.hidden_spoiler .mw-collapsible-content:before {
font-family: "Font Awesome 5 Free";
content: '\f054';
font-weight: 900;
}
.hidden_spoiler .mw-collapsible-content[style*="display: none"]:before {
transform: rotateZ(90deg);
}
.hidden_spoiler .mw-collapsible-content > span, .hidden_spoiler .mw-collapsible-content:before {
transition: all 0.5s ease 0s;
}
.hidden_spoiler .mw-collapsible-content[style*="display: none"] > span {
/* IE를 제외한 브라우저는 스포일러가 흐려짐 */
filter: blur(4px);
/* IE에서 스포일러가 숨겨짐 */
color: transparent;
}