* {
    border: 0px;
    padding: 0px;
    box-sizing: border-box;
    background-color: black;
    color: white;
}

header {
    align-items: center;
    /* background-color: red; */
    height: 10dvh;
    width: 100dvw;
    position: absolute;
    top: 0px;
    left: 0px;
    /* border: 1px solid white; */
}
header > h1 {
    text-align: center;
}

main {
    /* border: 1px solid white; */
    margin: 0px;
    position: absolute;
    top: 10dvh;
    padding: 0px;
    /* background-color: yellow; */
    height: 80dvh;
    width: 100dvw;
    left: 0px;
}

.bookmarks_div {
    /* border: 1px solid red; */
    padding-left: 10px;
}
.list_bookmarks {
    /* border: 1px solid red; */
    padding-left: 10px;
}
.list_bookmarks > ul > li{
    list-style: none;
}
.list_bookmarks > ul > li >a {
    text-decoration: none;
}
footer {
    /* border: 1px solid white; */
    top:90dvh;
    left: 0px;
    margin: 0px;
    position: absolute;
    /* background-color: blueviolet; */
    width: 100dvw;
    height: 10dvh;   
    align-items:center ;
}

footer > h4 {
    text-align: center
}
footer > h4 >a {
    color: lightblue;
}