nav.left-center {
    height: 100%;
    padding-left: 15vw;
    display: flex;
    align-items: center;
}


nav.left-center ul {
    display: flex;
    flex-direction: column;
    align-items: start;
}
nav.left-center li {
    position: relative;
    display: flex;
    align-items: center;
}
nav.left-center li::before {
    width: calc(100% + 17vw);
    height: 100%;
    content: "";
    position: absolute;
    top: 0;
    left: -40vw;
    background-image: url("../img/arrow-right.png");
    background-size: contain;
    background-position: right;
    z-index: -1;
    opacity: 0;
    transition: 500ms;
}
nav.left-center li:hover::before {
    opacity: 0.4;
    left: -15vw;
}


nav.left-center li a {
    font-size: 4rem;
    text-transform: uppercase;
    font-weight: bold;
    text-shadow: 5px 5px 7px rgba(0,0,0,0.5);
    transition: 500ms;
}
nav.left-center li a:hover {
    padding-left: 5vw;
}



@media screen and (width < 750px) {
    nav.left-center li a {
        font-size: 3rem;
    }
}
@media screen and (width < 550px) {
    nav.left-center li a {
        font-size: 2rem;
    }
}
@media screen and (width < 400px) {
    nav.left-center li a {
        font-size: 1.5rem;
    }
}