/* Importar fuente */
@import url('https://fonts.googleapis.com/css?family=Poppins:400,500,600,700');

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

.main-container{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    background-color: azure;
    min-height: 100vh;
}

header{
    background-color: aqua;
    width: 100%;
}

footer{
    justify-self: flex-end;
    background-color: aqua;
    width: 100%;
    height: 40px;
    padding-top: 10px;
    margin-top: 10px;
}

.menu{
    display: flex;
    flex-direction: row;
    row-gap: 10px;
}

.menu ul{
    display: flex;
    flex-direction: row;
    row-gap: 10px;
}

.menu ul li{
    list-style: none;
    display: inline;
    padding: 10px;
}

.menu a{
    text-decoration: none;
}

.center{
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

h1{
    padding-top: 10px;
    padding-bottom: 10px;
    text-align: center;
}

.error{
    font-weight: bold;
    color: crimson;
    text-align: center;
}