* {
    padding: 0;
    margin: 0; 
}

*,
*:after,
*:before {
    -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
            box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
            font-smoothing: antialiased;
            text-rendering: optimizeLegibility; 
}

html {
    font-family: sans-serif;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}

img {
    display: block;
    max-width: 100%;
    border: 0; 
}

/* ==================== HTML 5 ===================== */
article, aside, details, figcaption, figure, footer,
header, hgroup, main, nav, section, summary, picture {
    display: block; 
}

figure {
    margin: 0;
}

/* ==================== FORMULÁRIO ===================== */
input, input:focus, button, select, textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    border-radius: 0;
}

select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

a {
    text-decoration: none;
    background-color: transparent;
}

a:hover, a:focus {
    color: #fff;
    text-decoration: none;
}

a:focus {
    outline: 5px auto -webkit-focus-ring-color;
    outline-offset: -2px;
}

a:active, a:hover { outline: 0; }

h1, h2, h3, h4, h5, h6 {
    font-weight: normal;
    line-height: 1;
}

b, strong {
    font-weight: bolder; 
}

li { list-style: none; }

textarea:focus, input:focus{
    outline: none;
}