.wrapper {
    position: absolute;
    height: calc(100vh - 30px);
    right: 0;
}

#main-page {
    width: 100%;
    height: 100%;
    border: 0;
}

.nav-left {
    user-select: none; 
    background-color: #292929;
}

@media (max-width:749px) {
    .nav-left {
        width: 100vw;
        bottom: 0;
        height: 5rem;
    }

    .nav-list li {
        margin-right: 2rem;
        margin-bottom: 1rem;
    }

    .nav-list-top {
        left: 2rem;
    }

    .nav-list-bottom {
        right: 2rem;
    }

    .wrapper {
        width: 100vw;
        height: calc(100vh - 7.5rem);
    }
}

@media (min-width:750px) {
    .wrapper {
        min-width: calc(100vw - 6rem);
        width: 96vw;
        max-width: calc(100vw - 3.5rem);
    }

    .nav-left {
        top: 0;
        height: calc(100vh - 30px);
        min-width: 3.5rem;
        width: 4vw;
        max-width: 6rem;
    }

    .nav-item:hover {
        border-left: #a6a6a6 3px solid;
        padding-right: 3px;
    }

    .nav-item.active {
        border-left: 3px solid #efefef!important;
        padding-right: 3px;
    }

    .nav-list-top {
        top: 2rem;
    }

    .nav-list li {
        width: 100%;
        margin-bottom: 2rem;
    }

    .nav-list {
        width: 100%;
    }
}


.nav-list {
    list-style-type: none;
    bottom: 0;
}

.nav-list li {
    float: left;
    cursor: pointer;
}

.nav-list li i {
    font-size: 2rem;
}