index.css

:root{
    --width : 8rem;
}

body{
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

li{
    border: solid;
    border-radius: 3px;
    border-width: 1px;
    width: var(--width);
    padding-inline: 10px;
    list-style-type: none;
    animation: come-down .5s;
}
ul{
    padding: 0 !important;
    margin: 0 !important;
    height: 6rem;
    overflow: auto;
}
div{
    border: solid;
    border-radius: 3px;
    border-width: 1px;
    width: var(--width);
    padding-inline: 10px;
    display: flex;
    justify-content: space-between;
}
i{
    cursor: pointer;
    text-align: end;
    margin-top: 5px;
}

@keyframes come-down {
    from{
        transform: translateY(-10px);
    }to{
        transform: translateX();
    }
}