@import url('https://fonts.googleapis.com/css?family=Acme&display=swap');
.menu-item{
    float: left;
}
nav ul{
    list-style: none;
}
/*modificar apariencia del hipervinvulo*/
nav a{
    text-decoration: none;
    text-align: center;
    padding: 10px;
    display: block;
    color: white; 
    font-family: 'Acme', sans-serif;
}
/*
 nav a, nav li{
    padding: 5px;
    margin: 0px;
}*/
nav ul{
    padding: 0px;
    margin: 0px;
}


nav li{
    width: 25%;
    background-color: #c00000;
    transition-property: "background-color";
    transition-duration: 0.2s;
    transition-timing-function: linear;
    transition-delay: 0.2s;
}

nav {
    background-color: #c00000;
    overflow: auto;
}

.submenu{
    display: none;
    position: absolute;
}

.menu-item:hover .submenu{
    display: block;
}

nav li:hover{
    background-color: #740606;
}

.contenedor-principal{
    border-radius: 25px;
    
}
header{
    border-top-left-radius: 25px;
    border-top-right-radius: 25px;
}

footer{
    border-radius: 0px 0px 25px 25px;
}