*{
    margin: 0; padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
    transition:all 0.5s cubic-bezier(.34,1.12,.68,1.31);
}

/* 相簿背景 */
.album{
    min-height: 150vh; 
    min-width: 100vw;
    background:#eee;
    padding-bottom: 100px; 
}

/* 將原本的radio選單隱藏 */
input {
    display: none;
}

/* 標題 */
h1{
    position: relative;
    text-align: center;
    font-size :35px;
    width: 100%;
    padding-top: 20px;
    margin: 0px auto 15px auto; 
}
h1::before{
    content: '';
    position: absolute;
    width: 150px;
    height: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: gray;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    animation: animate 2s infinite linear;
}
@keyframes animate {
    0%{ width: 15vw;}
    50%{ width: 25vw;}
    100%{ width: 15vw;}
}

/* 大圖預覽容器 */
.image-viewer__container{
    display: flex;
    align-items: center;
    justify-content: center;
}
.image-viewer__container .image-viewer__display{
    background-color:whitesmoke;
    width:600px;
    height:400px;
    margin: 20px auto 20px auto;
    display: flex;
    justify-content: center;
    border-radius: 3px;
    box-shadow: 3px 3px 5px lightgray;
    border:5px solid rgb(0, 0, 0);
}
.image-viewer__container .image-viewer__display img{
    height: 100%;
    width:100%;
    object-fit: cover;
}

/* 相簿按鈕容器 */
.button-container {
    background-color:whitesmoke;
    width:90%;
    margin: 0px auto 0px auto;
    min-height: 50px;
    border-radius: 5px;
    box-shadow: 3px 3px 5px lightgray;
    display: flex;
    justify-content: center;
    flex-wrap: wrap; 
    padding:10px ;
}
label{
    padding: 5px 10px 5px 10px;
    margin: 5px 25px;
    font-size: 25px;
    background-color: wheat;
    color:gray;
    border-radius: 3px;
    box-shadow: 3px 3px 5px lightgray;
    cursor: pointer;
}
label:hover{
    color: white;
    background-color: rgb(112, 112, 112);
}

/* 選擇全部相片時 */
#all:checked ~  .photo-container .image{
    opacity: 1;
    transform: scale(1);
    position: relative;
    transition: .5s;
}
#all:checked ~ .button-container label[for=all]{
    color: white;
    background-color: rgb(112, 112, 112);
}

/* 選擇其中一個相簿時 */
#scenery:checked ~  .photo-container a:not([class*='scenery']),
#food:checked ~  .photo-container a:not([class*='food']),
#life:checked ~  .photo-container a:not([class*='life']),
#family:checked ~  .photo-container a:not([class*='family']),
#meme:checked ~  .photo-container a:not([class*='meme']){
    opacity: 0;
    transform: scale(0);
    position: absolute;
    transition: 0s;
}
#scenery:checked ~  .button-container label[for=scenery],
#food:checked ~  .button-container label[for=food],
#life:checked ~  .button-container label[for=life],
#family:checked ~  .button-container label[for=family],
#meme:checked ~  .button-container label[for=meme]{
    color: white;
    background-color: rgb(112, 112, 112);
}

/* 預覽圖容器 */
.album .photo-container{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}
/* 預覽圖圖框 */
.album .photo-container .image{
    height:200px;
    width: 300px;
    overflow: hidden;
    border:5px solid #fff;
    border-radius: 5px;
    box-shadow: 0 3px 5px rgba(0,0,0,.3);
    margin: 10px 10px 10px 10px;
}
/* 預覽圖圖片 */
.album .photo-container .image img{
    height: 100%;
    width:100%;
    object-fit: cover;
}
.album .photo-container .image:hover img{
    transform: scale(1.4);
}