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

body{
    font-family: 'Overpass', sans-serif;
    font-weight: normal;
    font-size: 100%;
    background-image: url(./construccion.jpg);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: center center;
    background-size: cover;
}

header{
    background-color: black;
    height: 70px;
}

.menuNavegacion{
    background-color: black;
    height: 60;
    padding: 5px 5px;
    position: relative;
}

.logoPrincipal{
    position: absolute;
    left: 10px;
}

.checkbox{
    width: 40px;
    height: 40px;
    position: absolute;
    top: 10px;
    right: 12px;
    cursor: pointer;
    opacity: 0;
}

.cerrar{
    width: 40px;
    height: 40px;
    position: absolute;
    top: 10px;
    right: 12px;
    cursor: pointer;
    pointer-events: none;    
}

.menu{
    width: 40px;
    height: 40px;
    position: absolute;
    top: 10px;
    right: 12px;
    cursor: pointer;
    pointer-events: none;
}

.cerrar{
    display: none;
}

.checkbox:checked ~ .menu{
    display: none; 
}

.checkbox:checked ~ .cerrar{
    display: block;
}

.checkbox:checked ~ .menuItems{
    top: 60px;
}

.menuItems{
    width: 180px;
    position: absolute;
    top: -260px;
    z-index: -1;
    right: 0px;
    transition: 250ms;
}

.menuItems li{
    list-style: none;
}

.menuItems li a{
    text-decoration: none;
    background-color: black;
    display: block;
    padding: 15px 12px;
    color: white;
    font-weight: bold;
}

.menuItems li a:hover{
    background-color: #0f4c75;
    color:lightslategray;
}


footer {
    background-color: black;
    position: fixed;
    bottom: 0;
    width: 101%;
    height: 40px;
    color: white;
    font-size: 15px;
    left: -1px;
}

.copyright {
    font-weight: bold;
    text-align: center;
    padding: 10px 15px;
    color: white
}

@media (min-width: 740px){
    .checkbox, .menu, .cerrar{
        display: none;
    }

    .menuItems{
        top: 0;
        z-index: 1;
        width: unset;
        display: flex;
    }

    .menuItems li a{
        height: 60px;
        padding: 40px,10px,10px,10px;
        margin-top: 0px;        
    }
}