body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    min-height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0,213,255,1);
}
.container{
    height: 400px;
    width: 450px;
    border: none;
    border-radius: 1rem;
    background-color: #fff;
}
.sidebar {
    width: 60px;
    height: 100%;
    background-color: #222;
    padding: 20px;
    box-sizing: border-box;
    color: #fff;
    overflow: hidden;
    border-radius: 1rem 0 0 1rem;
    transition: width .75s ease;
}
.sidebar:hover{
    width: 200px;
}
ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    row-gap: 1rem;
}
li {
    padding: 10px 10px;
    border-bottom: 1px solid #444;
    border-radius: .5rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
li:hover {
    background-color: #444;
}
.nav-link {
    display: inline-flex;
    column-gap: 1rem;
    color: inherit;
    text-decoration: none;
}
.item-txt{
    padding-left: .5rem;
}
.attribute{
    position: absolute;
    bottom: 10px;
}
@media (max-width:768px) {
    .container{
        width: 350px;
    }
}