* {
    box-sizing: border-box;
    margin: 0;
    padding: 0
}

.col-nav-item {
    width: 48px;
    height: 48px;
    background: #fff;
    border-left: 1px solid #ccc;
    border-right: 1px solid #ccc;
    border-collapse: collapse;
    border-bottom: 1px solid #ccc;
    border-top: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: .5s;
    padding-left: 0;
    overflow: hidden;
    position: relative
}

.col-nav-item:hover {
    width: 200px;
    padding-left: 10px;
    justify-content: flex-start;
    border-top: 1px solid #ccc
}

.col-nav-item-text {
    opacity: 0;
    visibility: hidden;
    color: #fff;
    width: 160px;
    position: absolute;
    right: -100%
}

.col-nav-item:hover .col-nav-item-text {
    width: auto;
    color: #1a1a1a;
    padding-left: 20px;
    opacity: 1;
    visibility: visible;
    position: inherit;
    right: 0;
    transition-duration: 1s
}

.col-nav-item:first-child {
    border-top: 1px solid #ccc
}

.col-navigation {
    position: fixed;
    top: 23%;
    right: 0;
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-items: flex-end;
    align-items: flex-end
}

@media(max-width:576px) {}