@charset "utf-8";
/* CSS Document */

#format-ctrl {
    position: fixed;
    top: .6em;  /* --- 间距 --- */
    left: 4px;  /* --- 列数 --- */
}
#picwall {
    position: relative;
    width: 80%;
    margin: auto auto 4em;
}
.imgbox {
    float: left;
    position: absolute;
    display: flex;
    align-items: center;
    overflow: hidden;
    cursor: pointer;
}
.imgbox img {
    width: 100%;
    transition: .3s;
}
.imgbox:hover img {
    transition: .3s;
    overflow: hidden;
    transform: scale(1.05);
    -webkit-filter: brightness(60%);
    filter: brightness(60%);
}
.imgbox p {
    z-index: +1000;
    position: absolute;
    text-align: center;
    text-shadow: -2px 2px 0 #000;
    left: 0;
    right: 0;
    opacity: 0;
    transition: .2s;
}
.imgbox:hover p {
    opacity: 1;
    transition: .2s;
}

@media (max-width: 1024px) {
    #picwall {width: 85%;}
}

@media (max-width: 768px) {
    #format-ctrl {left: 3px;}
    #picwall {width: 90%;}
}

@media (max-width: 580px) {
    #format-ctrl {left: 2px;}
}