.list_atas_btn{
    background-color:#0d47a1  ;
    color:white;
    border:1px solid black;
    padding:5px;
    margin:5px;
    font-weight:bold;
}

body {
            background-color: #f5f5f5;
            margin: 0;
            padding: 0;
        }
        
        .row .col{
            margin:0px;
            padding:0px;
        }
        #navbar {
            text-align: center;
            padding: 5px;
            margin: 0;
            font-weight: bold;
            letter-spacing: 1px;
            background-color: #ee6e73;
            color: white;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }