style.css

section[data-testid='stSidebar'] {
    background-color: rgb(17, 17, 17);
    min-width:unset !important;
    width: unset !important;
    flex-shrink: unset !important;  
}

button[kind="header"] {
    background-color: transparent;
    color:rgb(160, 228, 209)
}

@media(hover){
    /* header element to be removed */
    header[data-testid="stHeader"] {
        display:none;
    }

    /* The navigation menu specs and size */
    section[data-testid='stSidebar'] > div {
        height: 100%;
        width: 95px;
        position: relative;
        z-index: 1;
        top: 0;
        left: 0;
        background-color: #111;
        overflow-x: hidden;
        transition: 0.5s ease;
        padding-top: 60px;
        white-space: nowrap;
    }

    /* ON HOVER */
    section[data-testid='stSidebar'] > div:hover{
    width: 180px;
    }

    /* The button on the streamlit navigation menu - hidden */
    button[kind="header"] {
        display: none;
    }
}
     
@media(max-width: 272px){
    
    section[data-testid='stSidebar'] > div {
        width:10em;
    }
}
/* .css-1629p8f e16nr0p31{
    display: flex;
} */

.block-container.css-18e3th9.egzxvld2 {
    padding-top: 4%;
    padding-bottom: 0.9%;
    padding-right: 3%;
    padding-left: 7%;
}