html, body {
    margin: 0;
    padding: 0;
    background: rgb(243, 243, 243);
    font-family: Arial;
    color: rgb(32, 49, 63);
}

#side {
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    bottom: 0;
    background: rgb(32, 49, 63);
    width: 230px;
    color: rgb(243, 243, 243);
}

#header {
    position: fixed;
    width: calc(100vw - 230px);
    height: 80px;
    top: 0;
    right: 0;
    left: 230px;
    background: rgb(255, 255, 255);
    z-index: 10;
}

#header > h1 {
    font-size: 23px;    
    height: 80px;
    margin: 0 20px;
    line-height: 80px;
}

#page {
    position: fixed;
    /* top: 80px; */
    left: 230px;
    width: calc(100vw - 230px);
    height: calc(100vh - 80px);
    overflow-y: scroll;
    margin-top: 80px;
}
/*** LIST ***/

.list {
    background: #fff;
    border: 1px solid rgb(214, 214, 214);
    border-top: none;
    margin: 20px;
    box-shadow: 0 0 20px -5px rgba(0,0,0,0.1);
    border-radius: 10px;
}

.listHeader {
    position: sticky;
    top: -0px;
    background: inherit;
    border-bottom: inherit;
    z-index: 11 !important;
}


.listItem, .listHeader {
    border-top: 1px solid rgb(214, 214, 214);
    padding: 10px;
}