/* normalize */
* {
    box-sizing: border-box;
}
html {
    line-height: 1.3; 
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;    
}
body {
    margin: 0;
}
main {
    display: block;
}
h1, 
h2, 
h3, 
h4, 
h5, 
h6 {
    margin: 0;
}
img {
    display: block;
    width: 100%;
    max-width: 100%;
    border-style: none;
}
svg {
    display: block;
}
button,
input,
optgroup,
select,
textarea {
    font-family: inherit;
    margin: 0;
    outline: none;
}
button,
select {
    text-transform: none;
}
button,
[type="button"],
[type="reset"],
[type="submit"] {
    -webkit-appearance: button;
}
button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
    border-style: none;
    padding: 0;
}
button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
    outline: 1px dotted ButtonText;
}
textarea {
    overflow: auto;
}
[type="checkbox"],
[type="radio"] {
    padding: 0;
}
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
    height: auto;
}
[type="search"] {
    -webkit-appearance: textfield;
    outline-offset: -2px;
}
[type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
}
::-webkit-file-upload-button {
    -webkit-appearance: button;
    font: inherit; 
}