.menu {
    position: relative;
    z-index: 999;
    padding: 16px;
    border-style: solid;
    border-width: 2px;
    border-color: hsla(0, 0%, 100%, 0);
    border-radius: 100%;
    box-shadow: -8px -6px 15px 0 #fff, 6px 8px 15px 0 rgb(0 0 0 / 15%);
    cursor: pointer;
    background-color: white;
}
.hamburger-bar {
    width: 34px;
    height: 3px;
    margin-top: 10px;
    margin-bottom: 10px;
    border-radius: 20px;
    background-color: #706f6f;
    -webkit-transition: all 400ms cubic-bezier(.215, .61, .355, 1);
    transition: all 400ms cubic-bezier(.215, .61, .355, 1);
}
.menu.open .hamburger-bar-1 {
    transform: translate3d(0px, 7px, 0px) rotateZ(135deg);
    transform-style: preserve-3d;
}
.menu.open .hamburger-bar-2 {
    transform: translate3d(0px, -6px, 0px) rotateZ(45deg);
    transform-style: preserve-3d;
}

.menu-overlay {
    z-index: 10;
    background-color: #f1f1f1;
    color: #000;
    height: 100%;
    width: 100%;
    position: fixed;
    -webkit-transition: opacity 0.4s ease-in-out;
    transition: opacity 0.4s ease-in-out;
    -webkit-transition: all 0.4s ease-in-out;
    transition: all 0.4s ease-in-out;
    opacity: 0;
    visibility: hidden;
    padding: 30px;
    left: 0;
    top: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.menu-overlay.open {
    opacity: 1;
    visibility: visible;
    overflow: auto;
}

nav.nav ul {
    flex-direction: column;
}

nav.nav ul li a.nav-link {
    font-family: 'Raleway', sans-serif !important;
    padding: 18px 10px;
    margin-bottom: 30px;
    padding-right: 40px;
    padding-left: 40px;
    border-style: solid;
    border-width: 2px;
    border-color: hsla(0, 0%, 100%, 0);
    border-radius: 16px;
    background-color: #f1f1f1;
    box-shadow: -7px -7px 15px 0 #fff, 7px 7px 15px 0 rgb(0 0 0 / 15%);
    -webkit-transition: all 400ms ease;
    transition: all 400ms ease;
    color: #878787;
    font-size: 32px;
    line-height: 1;
    font-weight: 500;
    text-align: center;
}

nav.nav ul li a.nav-link:hover {
    border-color: #ffffff0d;
    box-shadow: -13px -10px 20px 0 #fff, 10px 13px 20px 0 #00000026;
}

@media screen and (max-width: 900px) {
    .menu {
        padding: 10px;
    }

    nav.nav ul li a.nav-link {
        font-size: 22px;
        padding: 12px 40px;
        margin-bottom: 12px;
    }

    .menu-overlay .redes .ulflex {
        flex-direction: row;
        justify-content: center;
        margin-top: 15px;
    }
}