* {
    list-style: none;
}
.nav-propio {
    background-color: #000000 !important;
}
.main-header {
    height: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: black;
    padding: 0 0.4rem;
}

.main-logo {
    color: black;
    font-size: 32px;
    text-decoration: none;
}

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 100%;
    margin-left: -100%;
    transition: all 0.2s linear;
   
    z-index: 100;
}

.main-nav.show {
    margin-left: 0;
}

.nav-links {
    background-color: #011d62;
   
    display: flex;
    flex-direction: column;
    width: 70%;
    height: 100%;
    align-items: center;
    justify-content: flex-start;
    font-size: 1.5rem;
    font-family: 'Roboto', sans-serif;
}

.link-item {
    margin-top: 2rem;
    color: #444444;
    text-decoration: none;
    font-weight: bold;
    position: relative;
}

.link-item::after {
    position: absolute;
    content: "";
    background-color: black;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 3px;
    transition: 0.3s ease all;
}

.link-item:hover::after {
    width: 100%;
}

.button-menu {
    z-index: 200;
    width: 40px;
    height: 40px;
    border: none;
    display: flex;
    background: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.dropdown-menu {
    font-size: 1.3rem;
    background-color: #000;
}

.dropdown-item {
    color: #ffffff;
}

.button-menu span {
    width: 37px;
    height: 4px;
    margin-bottom: 5px;
    position: relative;
    background: #444444;
    border-radius: 3px;
    transform-origin: 4px 0px;
    transition: all 0.2s linear;
}

.button-menu.close span {
    opacity: 1;
    transform: rotate(45deg) translate(0px, 0px);
    background: #000;
}

.button-menu.close span:nth-child(2) {
    transform: rotate(-45deg) translate(-8px, 5px);
}

.button-menu.close span:nth-child(3) {
    display: none;
}

@media screen and (min-width: 768px) {
    .button-menu {
        display: none;
    }
    .main-logo {
        flex-basis: 30%;
    }
    .main-nav {
        position: static;
        margin-left: 0;
        flex-basis: 70%;
        height: 100%;
    }
    .nav-links {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        
    }
    .link-item {
        display: inline-block;
        margin-top: 0;
        margin-right: 2rem;
    }
}