[id|=gallery]{margin:auto}[id|=gallery] .gallery-item{float:left;margin-top:10px;text-align:center}.gallery-columns-2 dl{width:49%}.gallery-columns-3 dl{width:33%}.gallery-columns-4 dl{width:24%}.gallery-columns-5 dl{width:19%}.gallery-columns-6 dl{width:16%}.gallery-columns-7 dl{width:13%}.gallery-columns-8 dl{width:12%}.gallery-columns-9 dl{width:11%}[id|=gallery] img{border:1px solid #fff}[id|=gallery] .gallery-caption{margin-left:0}select,input,textarea,button{vertical-align:middle;position:relative}input[type=search].notfound{padding:10px;width:75%;font-size:1.4em}button,input[type=button]{overflow:visible;height:20x;padding:0 3px}.youtube{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%}.youtube iframe{position:absolute;top:0;left:0;width:100%;height:100%}@media only screen and (max-width:900px){.slideDown{bottom:0;display:flex;align-items:flex-end}}@media only screen and (max-width:900px){.slideDown_container{width:100%;border-radius:10px;margin:0 10px 130px;padding:20px;transform:translateY(200%);animation:_slideDownInSp cubic-bezier(.075,.82,.165,1) 1.5s forwards .5s}}.article_head{margin-top:20px;display:flex;justify-content:space-between}@media only screen and (max-width:900px){.article_head{margin-top:10px 0}}.article_head>div:first-child{display:flex;align-items:center}.articleHead_date{font-size:1.4rem;margin-right:20px}.postProperty{margin-right:5px;font-size:1rem;color:#a7a7a7}.article .postProperty{font-size:1.2rem}hr.margin10px{margin:10px}hr.margin20px{margin:20px}