*{
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

:root{
    --letra: rgb(0, 0, 0);
    --tema: bisque;
    --nav: burlywood;
}

.dark{
    --letra: rgb(255, 255, 255);
    --tema: rgb(0, 0, 0);
    --nav: rgb(175, 129, 69);
}

body{
    background-color: var(--tema);
    color: var(--letra);
}

nav{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: var(--nav);
}

nav img{
    display: none;
    cursor: pointer;
}

nav button{
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 30px;
}

nav div{
    cursor: pointer;
}

.config{
    display: none;
    text-align: center;
    height: 90%;
    right: 0;
    top: 0;
    position: absolute;
    padding: 70px;
    background-color: cornflowerblue;
}

.config p{
    cursor: pointer;
    font-size: 20px;
}

main{
    display: block;
}

section {
    width: 20%;
    margin: 80px auto 0 auto; /* top auto bottom auto */
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    background: whitesmoke;
}

.texto-nota{
    padding: 10px;
}

.salvar{
    padding: 11px;
    font-size: large;
    border-radius: 8px;
    background-color: rgb(47, 255, 64);
    border: none;
    cursor: pointer;
}

.salvar:hover{
    background-color: rgb(0, 170, 0);
}

.notas-salvas{
    gap: 10px;
    font-size: large;
}

.novaNota{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.x{
    background-color: red;
    padding: 9px;
    border: none;
    cursor: pointer;
    border-radius: 8px;
}

.x:hover{
    background-color: rgb(196, 0, 0);
}

footer {
    text-align: center;
    background-color: gray;
    padding: 30px;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
}

@media (max-width: 970px){
    nav img{
        display: flex;
        width: 8%;
    }
    nav div{
        cursor: pointer;
        display: none;
    }
    section{
        width: 30%;
        height: 100%;
        padding: 30px;
    }
    .texto-nota{
        padding: 7px;
        width: 40%;
    }
    .config{
        text-align: center;
        height: 90%;
        right: 0;
        top: 0;
        position: absolute;
        padding: 70px;
        background-color: cornflowerblue;
    }
    
    .config p{
        cursor: pointer;
        font-size: 20px;
    }

    .config p:hover{
        color: thistle;
    }
    .fechar{
        cursor: pointer;
        background-color: transparent;
        padding: 7px;
        border: none;
        position: absolute;
        top: 0;
        right: 0;
        font-size: large;
        color: var(--letra);
    }
    .fechar:hover{
        color: red;
    }
}