.total-docker {
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, lightblue 30%, rgb(89, 224, 236));
    position: relative;
}

.nav-list {
    width: 300px;
    height: 690px;
    opacity: .6;
    top: 0;
    left: 0;
}

.nav-item {
    width: 300px;
    height: 20%;
    background-color: #6D98BA;
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav-item:hover {
    background-color: #B2C9D2;
    font-size: xx-large;
    font-weight: bolder;
    border: 1px solid black;
    transition: all .5s;
}

a {
    text-decoration: none;
    color: black;
}

.content-docker {
    width: 1000px;
    height: 690px;
    position: absolute;
    right: 50px;
    top: 0;
    background-color: #6D98BA;
}