There is a black border when browsing in IE8, but normal in Google browser_html/css_WEB-ITnose

What is the cause of that black border? ? ? There is a black border when browsing IE8, but the Google browser works fine

Reply to the discussion (solution)

The background image you used is png. .

Then set the transparency for these two buttons. . . .

Please LZ post the code

I made this using a template
The following is the code of the button
4fef6104b7860dcc715628b84b6b766a

dcce5f5821ec1a672a1d652cf6cf7742

The following is the slider.css file Code

.slider-wrap {	padding-top: 50px;	}.slider-wrap .loader { 	width:990px;	margin: 0 auto;	height:19px;	background:url(../images/ajax-loader.gif) no-repeat 50% 0;	}.nivoSlider-wrap,.cycleslider-wrap { 	display:none;	padding: 10px; 	background: url(../images/slider-bg.png) repeat-x 0 100% #FFF;	} .lite-accordion-wrap,.slides-js-wrap {	display:none;	}/*Nivo Slider*/.nivoSlider {	position:relative;	}.nivoSlider img {	position:absolute;	display:none;	}.nivo-slice {	display:block;	position:absolute;	z-index:5;	height:100%;	}.nivo-box {	display:block;	position:absolute;	z-index:5;	}.nivoSlider a.nivo-imageLink {	position:absolute;	top:0px;	left:0px;	width:100%;	height:100%;	border:0;	padding:0;	margin:0;	z-index:6;	display:none;	}.nivo-html-caption {	display: none;	}.nivo-caption {	position: absolute;	left: 0px;	bottom: 80px;	z-index: 8;	background: url(../images/space.png);	padding: 10px 20px 5px;	}.nivo-caption h3 {	margin: 0;	font-weight: normal;	font-size: 18px;	color: #FFF;	margin-bottom: 5px; 	}.nivo-caption .text {	color: #FFF;	}.controlnav-thumbs .nivo-controlNav {	position:absolute;	right: 50px;	bottom: -37px;     margin:0;	}.controlnav-thumbs .nivo-controlNav a {	display:block;	position:relative;	z-index:9;	cursor:pointer;	float: left;	padding: 6px 6px 10px;	background: url(../images/nivo-thumb-bg.png) no-repeat 0 0;	}.controlnav-thumbs .nivo-controlNav a.active {    background-position: 0 100%;	}.controlnav-thumbs .nivo-controlNav img {	display:inline;	position:relative;	width: 54px;	height: 40px;	}/* Direction nav styles (e.g. Next & Prev) */.nivo-directionNav a {	cursor:pointer;	position:absolute;	bottom: -25px; 	z-index:9;	width: 18px;	height: 32px;	background-image: url(../images/nivo-btn.png);	background-repeat: no-repeat;	text-indent: -999em;	}.nivo-prevNav {	right: 313px;	background-position: 0 -49px;	}.nivo-prevNav:hover {	background-position: 0 0;	}.nivo-nextNav {	right: 33px;	background-position: 100% -49px;	}.nivo-nextNav:hover {	background-position: 100% 0;	}/*Cycle Slider*/.cycleslider-wrap {	position: relative;	}/* Direction nav styles (e.g. Next & Prev) */#cycle-prev,#cycle-next {	position:absolute;	top:45%;	z-index:9;	cursor:pointer;	width: 34px;	height: 57px;	text-indent: -999em;	margin-top: -10px;	background-image: url(../images/cycle-btn.png);	background-repeat: no-repeat;	}#cycle-prev {	left:-50px;	background-position: 0 0;	}#cycle-prev:hover {	background-position: 0 100%;	}#cycle-next {	right:-50px;	background-position: 100% 0;	}#cycle-next:hover {	background-position: 100% 100%;	}#cycle-nav {	position:absolute;	right: 30px;	bottom: -24px;	z-index:99;	}#cycle-nav a {	position:relative;	z-index:9;	cursor:pointer;	display:block;	float:left;	width:46px;	height:24px;	text-align: center;	font-size: 10px;	margin-left: 1px;	color: #999;	background: url(../images/cycle-num-btn.png) no-repeat 0 100%;	}#cycle-nav a.activeSlide {	color: #333;	background-position: 0 0;	}.cycle-slider-caption {	position: absolute;	left: 0px;	bottom: 80px;	z-index: 8;	background: url(../images/space.png);	padding: 15px 20px;	}.cycle-slider-caption h3 {	margin: 0;	font-weight: normal;	font-size: 18px;	color: #FFF;	margin-bottom: 5px; 	}.cycle-slider-caption .text {	color: #FFF;	}/*Lite accordion*/.lite-accordion-slider { text-align: left; }.lite-accordion-slider > ol { position: relative; overflow: hidden; height: 100%; }.lite-accordion-slider .slide > h2 { 	color: black;    font-size: 16px;	 	font-weight: normal;	margin: 0; 	z-index: 30; 	position: absolute; 	top: 0; 	left: 0; 	-webkit-transform: translateX(-100%) rotate(-90deg); 	-webkit-transform-origin: right top; 	-moz-transform: translateX(-100%) rotate(-90deg);	-moz-transform-origin: right top; 	-o-transform: translateX(-100%) rotate(-90deg); 	-o-transform-origin: right top; 	transform: translateX(-100%) rotate(-90deg); 	transform-origin: right top;	-ms-filter: "progid:DXImageTransform.Microsoft.BasicImage(rotation=3)";    filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=3); }.lite-accordion-slider .slide > h2 span {     display: block;     padding-right: 8%;     text-align: right;     height: 90%;    margin-top: 2px;     -moz-user-select: none;    -khtml-user-select: none;    user-select: none;}.lite-accordion-slider .slide > h2:hover { cursor: pointer; }.lite-accordion-slider .slide > div { height: 100%; position: absolute; top: 0; z-index: 10; overflow: hidden; }.lite-accordion-slider figcaption { position: absolute; bottom: 30px; right: 30px; z-index: 8; background: url(../images/space.png); padding: 15px 20px; }.lite-accordion-slider figcaption h3 {margin: 0; font-weight: normal; font-size: 18px; color: #FFF; margin-bottom: 5px; }.lite-accordion-slider figcaption .text { color: #FFF; }.light {     padding: 11px 10px 10px 13px;	background: url(../images/lite-accordion-bg.png) no-repeat;}.light .slide > h2 { background: url(../images/lite-ac-btn.png) no-repeat 0 0; line-height: 265% }.light .slide > h2 span {     color: #909090;}.light .slide > h2.selected, .light .slide h2:hover {	background: url(../images/lite-ac-btn-hover.png) no-repeat 0 0; }.light .slide > h2.selected span, .light .slide h2.selected span:hover {	color: #333;}.light .slide > div { background: #D1D1D1; }.ie9 .slide > h2 { filter: none; -ms-transform: translateX(-100%) rotate(-90deg); -ms-transform-origin: right top; }/*	Slideshow*/#slides {	position:relative; 	padding: 30px 0 30px;}.slides_container {	width:990px;	overflow:hidden;	position:relative;	display:none;}.slides_container .slide {	width:990px;	display:block;}/*	Next/prev buttons*/#slides .next,#slides .prev {	position:absolute;	top:45%;	display:block;	z-index: 10;	width: 17px;	height: 29px;	background-image: url(../images/slides-js-nav.png);	background-repeat: no-repeat;	text-indent: -999em;}#slides .next {	right: -60px;	background-position: 100% 0;}#slides .next:hover {	background-position: 100% 100%;}#slides .prev {	left: -60px;	background-position: 0 0;}#slides .prev:hover {	background-position: 0 100%;}/*	Pagination*/#slides .pagination {	position: absolute;	left: 45%;	bottom: -20px;	margin-left: -10px;}#slides .pagination li {	float:left;	list-style:none;	margin: 0 3px;}#slides .pagination li a {	display: block;	width: 11px;	height: 12px;	padding: 0;	margin: 0;	border: none;	text-indent: -999em;	background: url(../images/slides-js-btn.png) 0 0 no-repeat;}#slides .pagination li.current a {	background-position: 100% 0;}/*	Caption*/#slides .caption {	z-index:500;	position:absolute;	top: 80px;	left: 550px; 	width: 400px;}#slides .caption h3 { 	font-size: 24px;}/* * Home Page slidershow * jQuery FlexSlider v1.8 * http://flex.madebymufffin.com *//* Browser Resets */.flex-container a:active,.flexslider a:active {outline: none;}.slides,.flex-control-nav,.flex-direction-nav { margin: 0; padding: 0; list-style: none;} /* FlexSlider Necessary Styles*********************************/ .flexslider { width: 100%; margin: 0; padding: 0;  }.flexslider .slides > li { display: none; } /* Hide the slides before the JS is loaded. Avoids image jumping */.flexslider .slides img { max-width: 100%; display: block;}/* FlexSlider Default Theme*********************************/.flexslider { position: relative; }.flexslider .slides { zoom: 1;}.flexslider .slides > li { position: relative;}.flex-container, .sc-slider-list { zoom: 1; position: relative;  }.sc-slider-list .flex-direction-nav li a {	position: absolute;	top: 70px;	display: block; 	width: 22px;	height: 24px;	text-indent: -9999em; 	background-image: url(../images/shortcode/sc-sider-btn.png);	background-repeat: no-repeat;}.sc-slider-list .flex-direction-nav li .prev {    left: -40px;	background-position: 0 0;}.sc-slider-list .flex-direction-nav li .prev:hover {	background-position: -47px 0;}.sc-slider-list .flex-direction-nav li .next {	right: -40px;	background-position: -23px 0;}.sc-slider-list .flex-direction-nav li .next:hover {	background-position: -71px 0;}

Home page code

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Remove the transparency of the two arrows

Replace the PNG image in IE Adding transparency will lead to this situation.

How to delete it like this

jQuery('#cycle-prev, #cycle-next').css({opacity: '0'});		jQuery('.cycleslider-wrap').hover(function(){			jQuery('#cycle-prev',this).stop().animate({left: '-31', opacity: '1'},200,'easeOutCubic');			jQuery('#cycle-next',this).stop().animate({right: '-31', opacity: '1'},200,'easeOutCubic');	 		}, function() {			jQuery('#cycle-prev',this).stop().animate({left: '-50', opacity: '0'},400,'easeInCubic');			jQuery('#cycle-next',this).stop().animate({right: '-50', opacity: '0'},400,'easeInCubic');				});

How to delete it like this

jQuery('#cycle-prev, #cycle-next').css({opacity: '0'});		jQuery('.cycleslider-wrap').hover(function(){			jQuery('#cycle-prev',this).stop().animate({left: '-31', opacity: '1'},200,'easeOutCubic');			jQuery('#cycle-next',this).stop().animate({right: '-31', opacity: '1'},200,'easeOutCubic');	 		}, function() {			jQuery('#cycle-prev',this).stop().animate({left: '-50', opacity: '0'},400,'easeInCubic');			jQuery('#cycle-next',this).stop().animate({right: '-50', opacity: '0'},400,'easeInCubic');				});

Uncle, why don’t you delete the transparency? ? Don't manipulate the opaciry attribute!

. . . . Change it to a non-png picture. We don’t want a transparent background. Let’s make a square arrow