* {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: lightgreen;
}

.navigation {
    position: relative;
    width: 70px;
    height: 300px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 15px 25px rgba(0,0,0,0.1);
}

.navigation ul {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

.navigation ul li {
    position: relative;
    list-style: none;
    border-radius: 10px;
    width: 70px;
    height: 60px;
    border: 4px solid #fff;
    box-sizing: border-box;
}

.navigation ul li:hover {
    background: darkorchid;
}

.navigation ul li a {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    text-decoration: none;
    color: darkorchid;
    font-weight: 500;
}

.navigation ul li a .icon {
    position: relative;
    display: block;
    line-height: 60px;
    text-align: center;
}

.navigation ul li:hover a .icon {
    color: #fff;
}

.navigation ul li a .icon .fa {
    font-size: 24px;
} 

.navigation ul li a .title {
    position: absolute;
    left: 70px;
    display: block;
    background: #fff;
    width: auto;
    padding: 5px 10px;
    transform: translateY(-15%) translateX(0px);
    border-radius: 6px;
    box-shadow: 0 5px 15px rgba(0,0,0,.1);
    visibility: hidden;
    opacity: 0;
    transition: 0.5s;
}

.navigation ul li:hover a .title {
    transform: translateY(-15%) translateX(0px);
    visibility: visible;
    opacity: 1;
}