/*!
Theme Name: mrkmnok
Author: unknown
Version: 1.0.0
Tested up to: 5.4
Requires PHP: 5.6
License: GNU General Public License v2 or later
License URI: LICENSE
Text Domain: mrkmnok

This theme, like WordPress, is licensed under the GPL.
Use it to make something cool, have fun, and share what you've learned.

mrkmnok is based on Underscores https://underscores.me/, (C) 2012-2020 Automattic, Inc.
Underscores is distributed under the terms of the GNU GPL v2 or later.

Normalizing styles have been helped along thanks to the fine work of
Nicolas Gallagher and Jonathan Neal https://necolas.github.io/normalize.css/
*/

/* Fonts
--------------------------------------------- */
/* Google fonts Noto Sans JP */
@import url('//fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100;300;400;500;700;900&display=swap');

/* Google fonts Noto Serif JP */
@import url('//fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@200;300;400;500;600;700;900&display=swap');

/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */

/* Document
   ========================================================================== */

/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */

html {
  line-height: 1.15; /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
}

/* Sections
   ========================================================================== */

/**
 * Remove the margin in all browsers.
 */

body {
  margin: 0;
}

/**
 * Render the `main` element consistently in IE.
 */

main {
  display: block;
}

/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */

h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

/* Grouping content
   ========================================================================== */

/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */

hr {
  box-sizing: content-box; /* 1 */
  height: 0; /* 1 */
  overflow: visible; /* 2 */
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */

pre {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}

/* Text-level semantics
   ========================================================================== */

/**
 * Remove the gray background on active links in IE 10.
 */

a {
  background-color: transparent;
}

/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */

abbr[title] {
  border-bottom: none; /* 1 */
  text-decoration: underline; /* 2 */
  text-decoration: underline dotted; /* 2 */
}

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */

b,
strong {
  font-weight: bolder;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */

code,
kbd,
samp {
  font-family: monospace, monospace; /* 1 */
  font-size: 1em; /* 2 */
}

/**
 * Add the correct font size in all browsers.
 */

small {
  font-size: 80%;
}

/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

/* Embedded content
   ========================================================================== */

/**
 * Remove the border on images inside links in IE 10.
 */

img {
  border-style: none;
}

/* Forms
   ========================================================================== */

/**
 * 1. Change the font styles in all browsers.
 * 2. Remove the margin in Firefox and Safari.
 */

button,
input,
optgroup,
select,
textarea {
  font-family: inherit; /* 1 */
  font-size: 100%; /* 1 */
  line-height: 1.15; /* 1 */
  margin: 0; /* 2 */
}

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */

button,
input { /* 1 */
  overflow: visible;
}

/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritance of text transform in Firefox.
 */

button,
select { /* 1 */
  text-transform: none;
}

/**
 * Correct the inability to style clickable types in iOS and Safari.
 */

button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
}

/**
 * Remove the inner border and padding in Firefox.
 */

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  border-style: none;
  padding: 0;
}

/**
 * Restore the focus styles unset by the previous rule.
 */

button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
  outline: 1px dotted ButtonText;
}

/**
 * Correct the padding in Firefox.
 */

fieldset {
  padding: 0.35em 0.75em 0.625em;
}

/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */

legend {
  box-sizing: border-box; /* 1 */
  color: inherit; /* 2 */
  display: table; /* 1 */
  max-width: 100%; /* 1 */
  padding: 0; /* 3 */
  white-space: normal; /* 1 */
}

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */

progress {
  vertical-align: baseline;
}

/**
 * Remove the default vertical scrollbar in IE 10+.
 */

textarea {
  overflow: auto;
}

/**
 * 1. Add the correct box sizing in IE 10.
 * 2. Remove the padding in IE 10.
 */

[type="checkbox"],
[type="radio"] {
  box-sizing: border-box; /* 1 */
  padding: 0; /* 2 */
}

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */

[type="search"] {
  -webkit-appearance: textfield; /* 1 */
  outline-offset: -2px; /* 2 */
}

/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */

[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */

::-webkit-file-upload-button {
  -webkit-appearance: button; /* 1 */
  font: inherit; /* 2 */
}

/* Interactive
   ========================================================================== */

/*
 * Add the correct display in Edge, IE 10+, and Firefox.
 */

details {
  display: block;
}

/*
 * Add the correct display in all browsers.
 */

summary {
  display: list-item;
}

/* Misc
   ========================================================================== */

/**
 * Add the correct display in IE 10+.
 */

template {
  display: none;
}

/**
 * Add the correct display in IE 10.
 */

[hidden] {
  display: none;
}
/* end normalize.css */

/* Box sizing
--------------------------------------------- */
*,
*::before,
*::after {
	box-sizing: inherit;
}

html {
	box-sizing: border-box;
}

/* Typography
--------------------------------------------- */
body,
button,
input,
select,
optgroup,
textarea {
	color: #201e1f;
	font-family: 'Noto Sans JP', 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
	font-size: 1rem;
	line-height: 1.5;
}

h1,
h2,
h3,
h4,
h5,
h6 {
	clear: both;
}

p {
	margin: 0;
}

dfn,
cite,
em,
i {
	font-style: italic;
}

blockquote {
	margin: 0 15px;
}

address {
	margin: 0 0 15px;
}

pre {
	background: #eee;
	font-family: "Courier 10 Pitch", courier, monospace;
	line-height: 1.6;
	margin-bottom: 1.6em;
	max-width: 100%;
	overflow: auto;
	padding: 1.6em;
}

code,
kbd,
tt,
var {
	font-family: monaco, consolas, "Andale Mono", "DejaVu Sans Mono", monospace;
}

abbr,
acronym {
	border-bottom: 1px dotted #666;
	cursor: help;
}

mark,
ins {
	background: #fff9c0;
	text-decoration: none;
}

big {
	font-size: 125%;
}

/* Elements
--------------------------------------------- */
body {
	background: #fff;
}

hr {
	background-color: #ccc;
	border: 0;
	height: 1px;
	margin-bottom: 15px;
}

ul,
ol {
	margin: 0;
	padding:0;
	list-style-type: none;
}

/* Make sure embeds and iframes fit their containers. */
embed,
iframe,
object {
	max-width: 100%;
}

img {
	height: auto;
	max-width: 100%;
	width: 100%;
	opacity: inherit;
}

figure {
	margin: 1em 0;
}

table {
	margin: 0;
	width: 100%;
}

/* Links
--------------------------------------------- */
a {
	color: #201e1f;
	text-decoration: none;
}

a:visited {
	color: #201e1f;
}

a:hover,
a:focus,
a:active {
	color: #201e1f;
}

a:focus {
	outline: thin dotted;
}

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

a:hover {
    opacity: 0.7;
}

/* Forms
--------------------------------------------- */
button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
	border: 1px solid;
	border-color: #ccc #ccc #bbb;
	border-radius: 3px;
	background: #e6e6e6;
	color: rgba(0, 0, 0, 0.8);
	line-height: 1;
	padding: 0.6em 1em 0.4em;
}

button:hover,
input[type="button"]:hover,
input[type="reset"]:hover,
input[type="submit"]:hover {
	border-color: #ccc #bbb #aaa;
}

button:active,
button:focus,
input[type="button"]:active,
input[type="button"]:focus,
input[type="reset"]:active,
input[type="reset"]:focus,
input[type="submit"]:active,
input[type="submit"]:focus {
	border-color: #aaa #bbb #bbb;
    outline:0;
}

input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="tel"],
input[type="range"],
input[type="date"],
input[type="month"],
input[type="week"],
input[type="time"],
input[type="datetime"],
input[type="datetime-local"],
input[type="color"],
textarea {
	color: #666;
	border: 1px solid #ccc;
	border-radius: 3px;
	padding: 3px;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="url"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="number"]:focus,
input[type="tel"]:focus,
input[type="range"]:focus,
input[type="date"]:focus,
input[type="month"]:focus,
input[type="week"]:focus,
input[type="time"]:focus,
input[type="datetime"]:focus,
input[type="datetime-local"]:focus,
input[type="color"]:focus,
textarea:focus {
	color: #111;
}

select {
	border: 1px solid #ccc;
}

textarea {
	width: 100%;
}

/* Media
--------------------------------------------- */
.page-content .wp-smiley,
.entry-content .wp-smiley,
.comment-content .wp-smiley {
	border: none;
	margin-bottom: 0;
	margin-top: 0;
	padding: 0;
}

/* Make sure logo link wraps around logo image. */
.custom-logo-link {
	display: inline-block;
}

/* Captions
--------------------------------------------- */
.wp-caption {
	margin-bottom: 15px;
	max-width: 100%;
}

.wp-caption img[class*="wp-image-"] {
	display: block;
	margin-left: auto;
	margin-right: auto;
}

.wp-caption .wp-caption-text {
	margin: 0.8075em 0;
}

.wp-caption-text {
	text-align: center;
}

/* Galleries
--------------------------------------------- */
.gallery {
	margin-bottom: 15px;
	display: grid;
	grid-gap: 15px;
}

.gallery-item {
	display: inline-block;
	text-align: center;
	width: 100%;
}

.gallery-columns-2 {
	grid-template-columns: repeat(2, 1fr);
}

.gallery-columns-3 {
	grid-template-columns: repeat(3, 1fr);
}

.gallery-columns-4 {
	grid-template-columns: repeat(4, 1fr);
}

.gallery-columns-5 {
	grid-template-columns: repeat(5, 1fr);
}

.gallery-columns-6 {
	grid-template-columns: repeat(6, 1fr);
}

.gallery-columns-7 {
	grid-template-columns: repeat(7, 1fr);
}

.gallery-columns-8 {
	grid-template-columns: repeat(8, 1fr);
}

.gallery-columns-9 {
	grid-template-columns: repeat(9, 1fr);
}

.gallery-caption {
	display: block;
}

/* Accessibility
--------------------------------------------- */
/* Do not show the outline on the skip link target. */
#primary[tabindex="-1"]:focus {
	outline: 0;
}

/* ================================================================
   mrkmnok default setting
================================================================ */
/* general */
.sticky {
	display: block;
}
.post,
.page {
	margin: 0;
}
.updated:not(.published) {
	display: none;
}
.screen-reader-text {
	display: none;
}
.page-content,
.entry-content,
.entry-summary {
	margin: 0;
}
.page-links {
	clear: both;
	margin: 0 0 15px;
}
.widget {
	margin: 0 0 15px;
}
.widget select {
	max-width: 100%;
}
.site-contents.side {
	max-width: 1200px;
	padding-left: 15px;
	padding-right: 15px;
	margin-left: auto;
	margin-right: auto;
}
.site-contents.side::after {
	content: "";
	display: block;
	clear: both;
}
.site-contents.side .site-main {
	width: 66.66666666666666%;
	float: left;
	padding-bottom: 50px;
}
.site-contents.side .widget-area {
	width: 33.33333333333333%;
	float: left;
}
.brpc {
    display: block;
}
.brsp {
    display: none;
}
input {
	border-radius: 3px;
	border-width: 1px;
	-webkit-appearance: none;
}
input[type="checkbox"] {
	-webkit-appearance: checkbox;
}
input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="tel"],
input[type="range"],
input[type="date"],
input[type="month"],
input[type="week"],
input[type="time"],
input[type="datetime"],
input[type="datetime-local"],
input[type="color"],
textarea {
	width: 100%;
	max-width: 100%;
	font-size: 16px;
	padding: 5px 10px;
	border-radius: 3px;
}
input[type="radio"] {
  vertical-align: middle;
}
select {
	width: 100%;
	max-width: 100%;
	font-size: 16px;
	padding: 5px 10px 7px;
	border-radius: 3px;
	border: 1px solid #767676;
	cursor: pointer;
}
button,
input[type="submit"] {
	padding: 5px 10px 7px;
	border-radius: 3px;
	border: 0;
	background-color: #eee;
	cursor: pointer;
}
input:focus,
select:focus,
textarea:focus {
    border-color: #66afe9;
    outline: 0;
    -webkit-box-shadow: inset 0 1px 1px rgb(0 0 0 / 8%), 0 0 8px rgb(102 175 233 / 60%);
    box-shadow: inset 0 1px 1px rgb(0 0 0 / 8%), 0 0 8px rgb(102 175 233 / 60%);
}
input:hover,
select:hover,
textarea:hover,
button:hover {
    opacity: 0.7;
}
/* for sp */
@media (max-width: 767px){
	.site-contents.side .site-main {
		width: 100%;
		float: none;
	}
	.site-contents.side .widget-area {
		width: 100%;
		float: none;
	}
}
@media (max-width: 480px){
    .brpc {
        display: none;
    }
    .brsp {
        display: block;
    }
}
.material-icons {
    font-size: 20px!important;
    line-height: 22px!important;
	vertical-align: bottom;
}
.serif {
	font-family: 'Noto Serif JP', serif;
}
.center-block {
    max-width: 1200px;
	padding-left: 15px;
	padding-right: 15px;
	margin-left: auto;
	margin-right: auto;
}
.clearfix::after {
	content: "";
	display: block;
	clear: both;
}
.g-map {
    position: relative;
    padding-bottom: 45%;
    height: 0;
    overflow: hidden;
}
.g-map iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Post
--------------------------------------------- */
.page-header .page-title {
	font-size: 22px;
}
.type-post {
	padding-right: 15px;
}
/* for sp */
@media (max-width: 767px){
	.type-post {
		padding-right: 0;
	}
}
.type-post .entry-header .entry-title {
	font-size: 18px;
}
.type-post .entry-header .entry-meta .material-icons {
	padding-right: 5px;
}
.type-post .entry-header .entry-meta .posted-on {
	margin-right: 20px;
}
.type-post .post-thumbnail {
	display: block;
	padding-top: 15px;
    padding-bottom: 20px;
}
.type-post a.entry-content {
    display: block;
    padding-bottom: 20px;
}
.type-post .entry-footer {
	border-bottom: 1px dotted #ccc;
    margin-bottom: 20px;
}
.type-post .entry-footer .entry-tags {
	padding-top: 20px;
}
.type-post .entry-footer .entry-tags .material-icons {
	padding-right: 5px;
}
.type-post .entry-footer .entry-tags .tags-links {
	padding-right: 5px;
}
.type-post .entry-footer .entry-tags .tags-links a {
	padding-right: 5px;
}
.navigation.pagination {
	display: block;
}
.navigation.pagination .nav-links {
	display: inline-block;
    padding-left: 0;
    margin: 20px 0;
    border-radius: 4px;
}
.navigation.pagination .nav-links a,
.navigation.pagination .nav-links span {
    position: relative;
    float: left;
    padding: 6px 12px;
    margin-left: -1px;
    line-height: 1.42857143;
    text-decoration: none;
    background-color: #fff;
    border: 1px solid #ccc;
}
.navigation.pagination .nav-links a:first-child,
.navigation.pagination .nav-links span:first-child {
	margin-left: 0;
	border-top-left-radius: 4px;
	border-bottom-left-radius: 4px;
}
.navigation.pagination .nav-links a:last-child,
.navigation.pagination .nav-links span:last-child {
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
}
.navigation.pagination .nav-links .current {
	background-color: #ccc;
}
.navigation.post-navigation .nav-links {
	content: "";
	display: block;
	clear: both;
}
.navigation.post-navigation .nav-previous {
	float: left;
}
.navigation.post-navigation .nav-next {
	float: right;
}
/* post editor tag */
.single-post .entry-content ul,
.single-post .entry-content ol {
	padding-left: 20px;
}
.single-post .entry-content ul li {
	list-style: disc;
}
.single-post .entry-content ol li {
	list-style: decimal;
}
.single-post .entry-content blockquote {
	padding: 10px 20px;
    margin: 0 0 20px;
    border-left: 5px solid #ccc;
}
.single-post .entry-content a {
	text-decoration: underline;
}
.aligncenter {
    display: block;
    margin: 0 auto;
}
.single-post .entry-content img.alignleft {
	float: left;
}
.single-post .entry-content img.alignright {
	float: right
}
.single-post .entry-content img.aligncenter {
	display: block;
    margin: 0 auto;
}
.single-post .entry-content p {
	margin-top: 20px;
    margin-bottom: 20px;
}
.single-post .entry-content p::after {
	content: "";
	display: block;
	clear: both;
}

/* Sidebar
--------------------------------------------- */
.widget-area .widget {
	margin-left: 15px;
}
.widget-area .widget .widget-title {
	font-size: 18px;
}
.widget-area .widget ul li {
	border-bottom: 1px dotted #ccc;
}
.widget-area .widget ul li a {
	display: block;
	padding: 15px 0;
}
/* for sp */
@media (max-width: 767px){
	.widget-area .widget {
		margin-left: 0;
	}
}

/* Headere
--------------------------------------------- */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 999;
	background-color: #fff;
}
.site-header .site-wrap .site-branding .site-title {
	margin: 0;
}
.site-header .site-wrap .site-branding .site-title a {
}
.site-header .site-wrap .site-branding .site-title a img {
	display: block;
    max-width: 250px;
}
.site-header .site-wrap .site-branding .site-description {
	display: none;
}
/* pc headre */
@media (min-width: 767px){
	.site-header .site-wrap .site-branding {
		float: left;
	}
	.site-header .site-wrap .main-navigation {
		float: right;
	}
	.hamburger {
		display : none;
	}
	.primary-menu {
		opacity: 100;
		visibility: unset;
		position: relative;
		width: 100%;
	}
	.primary-menu > li{
		display: inline-block;
	}
	.primary-menu > li > a{
		display: block;
		padding: 15px;
	}
	.primary-menu li ul{
		position: absolute;
		width: 100%;
	}
	.primary-menu li ul li{
		display: block;
		height: 0;
		overflow: hidden;
	}
	.primary-menu li:hover ul li{
		height: auto; /*サブメニューの高さ*/
		overflow: visible;
	}
	.primary-menu li ul li a{
		display: block;
		padding: 15px;
	}

	/* footer */
	.site-footer .site-info .menu-footer-container .secondary-menu {
		display: flex;
		justify-content: center;
	}
}
/* sp headre */
@media (max-width: 767px){
	.site-header {
		min-height: 66px; /* .hamburger top*2 + height */
	}
	.hamburger {
		display : block;
		position: fixed;
		z-index : 3;
		right : 13px;
		top   : 22px;
		width : 42px;
		height: 42px;
		cursor: pointer;
		text-align: center;
	}
	.hamburger span {
		display : block;
		position: absolute;
        width: 28px;
        height: 4px;
        border-radius: 4px;
		left    : 6px;
		background : #555;
		-webkit-transition: 0.3s ease-in-out;
		-moz-transition   : 0.3s ease-in-out;
		transition        : 0.3s ease-in-out;
    }
	.hamburger span:nth-child(1) {
		top: 10px;
	}
	.hamburger span:nth-child(2) {
		top: 19px;
	}
	.hamburger span:nth-child(3) {
		top: 28px;
    }
    .hamburger.active span {
    	background:#fff;
    }
	.hamburger.active span:nth-child(1) {
		top : 16px;
		left: 6px;
		transform: rotate(-45deg);
	}
	.hamburger.active span:nth-child(2),
	.hamburger.active span:nth-child(3) {
		top: 16px;
		transform : rotate(45deg);
	}
	.primary-menu {
		opacity: 0;
		visibility: hidden;
		position: fixed;
		z-index : 2;
		top  : 0;
		left : 0;
		color: #fff;
		background: rgba(0,0,0,0.7);
		text-align: left;
		margin: 0 auto;
		padding: 0;
		width: 100%;
	}
	.primary-menu li {
		padding: 0;
		width: 100%;
		transition: .4s all;
	}
	.primary-menu > li:first-child {
        margin-top: 8px;
    }
	.primary-menu li a {
		display: block;
		color: #fff;
		padding: 1em 0;
		text-decoration :none;
	}
	.primary-menu > li ul {
		font-size: 0.9em;
	}
	.primary-menu > li ul li a {
		padding: 0.5em 0;
	}
	.primary-menu > li a {
		padding-left: 15px;
	}
	.primary-menu > li > ul > li > a {
		padding-left: 30px;
	}
	.primary-menu > li > ul > li > ul > li > a {
		padding-left: 45px;
	}
	.primary-menu > li > ul > li > ul > li > ul > li > a {
		padding-left: 60px;
	}
	.primary-menu.active {
		opacity: 100;
		visibility: unset;
		transition: opacity .6s ease, visibility .6s ease;
	}
}

/* Footer
--------------------------------------------- */
.site-footer .site-info .menu-footer-container .secondary-menu > li > a {
	display: block;
    padding: 0;
}
.site-footer .site-info .footer-brand {
	text-align: center;
}
.site-footer .site-info .footer-brand a {
	display: inline-block;
}
.site-footer .site-info .footer-brand a img {
	display: block;
    max-width: 250px;
}
.site-footer .site-info .footer-name {
	text-align: center;
}
.site-footer .site-info .site-copy {
	text-align: center;
}
.site-goto-top {
    position: fixed;
    bottom: 108px;
    right: 15px;
    z-index: 5;
}
.site-goto-top a {
    background-repeat: no-repeat;
    text-decoration: none;
    width: 60px;
    display: block;
}
.site-goto-top a img {
    width: 100%;
}