* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    width: 100%;
    min-height: 100%;
}

body {
    font-family: Arial, sans-serif;
}

/* PÁGINAS */

.page {
    min-height: 100vh;

    display: flex;
    align-items: center;
    justify-content: center;

    overflow: hidden;
}

/* NIVEL DE ILUMINACIÓN */

.page-1 {
    background: #000000;
    color: white;
}

.page-2 {
    background: #111111;
    color: white;
}

.page-3 {
    background: #222222;
    color: white;
}

/* CONTENIDO CENTRAL */

.center-content {
    width: 100%;

    display: flex;
    flex-direction: column;

    align-items: center;
    justify-content: center;

    text-align: center;

    padding: 20px;
}

/* FRASE PRINCIPAL */

h1 {
    margin: 0 0 32px 0;

    font-size: 42px;

    font-weight: 500;

    letter-spacing: 0.5px;
}

/* BOTONES */

button {
    padding: 6px 20px;

    min-width: 110px;

    border: 1px solid #777;

    border-radius: 2px;

    background: linear-gradient(
        #f5f5f5,
        #dcdcdc
    );

    color: #111;

    font-family: Arial, sans-serif;

    font-size: 14px;

    font-weight: normal;

    cursor: pointer;

    box-shadow:
        inset 0 1px 0 #ffffff,
        0 1px 2px rgba(0, 0, 0, 0.5);

    transition: none;
}

button:hover {
    background: linear-gradient(
        #ffffff,
        #e7e7e7
    );
}

button:active {
    background: linear-gradient(
        #cccccc,
        #eeeeee
    );

    box-shadow:
        inset 0 1px 2px rgba(0, 0, 0, 0.3);
}/* ETIQUETA BINANCE */

.binance-label {
    font-size: 16px;
    font-weight: normal;

    margin-bottom: 8px;
}


/* CUADRO DEL TEXTO */

.copy-text {
    width: 400px;
    max-width: 90vw;

    min-height: 40px;

    padding: 8px 10px;

    background: white;

    border: 1px solid #999;

    color: #111;

    font-family: Arial, sans-serif;

    font-size: 15px;

    line-height: 1.4;

    text-align: left;

    cursor: text;

    user-select: text;

    box-sizing: border-box;
}