.book__sidebar{position:relative;z-index:1}.book__sidebar:before{background-color:gray;background-image:var(--dua-bg);background-position:50%;background-repeat:no-repeat;background-size:cover;content:"";filter:contrast(40%);height:100%;left:0;opacity:1;position:absolute;top:0;width:100%;z-index:-1}.book__name-left{color:#fff;cursor:pointer;font-size:2rem;font-weight:700;margin-left:0;text-decoration:none}.book__name-left:hover{color:#167b1a}.v-footer{align-items:center;border-color:rgba(var(--v-border-color),var(--v-border-opacity));border-style:solid;border-width:0;display:flex;flex:1 1 auto;padding:8px 16px;position:relative;transition:.2s cubic-bezier(.4,0,.2,1);transition-property:height,width,transform,max-width,left,right,top,bottom}.v-footer--border{border-width:thin;box-shadow:none}.v-footer{box-shadow:0 0 0 0 var(--v-shadow-key-umbra-opacity,rgba(0,0,0,.2)),0 0 0 0 var(--v-shadow-key-penumbra-opacity,rgba(0,0,0,.14)),0 0 0 0 var(--v-shadow-key-ambient-opacity,rgba(0,0,0,.12))}.v-footer--absolute{position:absolute}.v-footer--fixed{position:fixed}.v-footer{background:rgb(var(--v-theme-surface));border-radius:0;color:rgba(var(--v-theme-on-surface),var(--v-high-emphasis-opacity))}.v-footer--rounded{border-radius:4px}