style.css

.bg-def {
    background-color: #d8c597;
    border: 1px solid #4e4736
}
body {
   height: 100vh;
   overflow-x: hidden;
   padding-top: 55px;
}

/* set the sidebar width */
.w-sidebar {
    width: 300px;
    max-width: 300px;
}

.row.collapse {
    margin-left: -200px;
    left: 0;
    transition: margin-left .15s linear;
}

.row.collapse.show {
    margin-left: 0 !important;
}

.row.collapsing {
    margin-left: -200px;
    left: -0.05%;
    transition: all .15s linear;
}

/* optional */
.vh-100 {
    min-height: 100vh;
}
.no-display {
    display: none;
}
/* optional for overlay sidebar on small screens */
@media (max-width:768px) {

    .row.collapse,
    .row.collapsing {
        margin-left: 0 !important;
        left: 0 !important;
        overflow: visible;
    }
    
    .row > .sidebar.collapse {
        display: flex !important;
        margin-left: -100% !important;
        transition: all .3s linear;
        position: fixed;
        z-index: 1050;
        max-width: 0;
        min-width: 0;
        flex-basis: auto;
    }
    
    .row > .sidebar.collapse.show {
        margin-left: 0 !important;
        width: 100%;
        max-width: 100%;
        min-width: initial;
    }
    
    .row > .sidebar.collapsing {
        display: flex !important;
        margin-left: -10% !important;
        transition: all .2s linear !important;
        position: fixed;
        z-index: 1050;
        min-width: initial;
    }
    .no-display {
        display: inline;
    }
}