我试图在您单击图像 (screenshot) 后删除列边框的颜色。我一直在查看整个代码并尝试更改颜色，但我不确定要更改什么才能删除边框颜色。请指教。
body{font-family:'Roboto',sans-serif;overflow-x:hidden}
#portfolio .portfolio-item{margin:0 0 15px;right:0}
#portfolio .portfolio-item .portfolio-link{display:block;position:relative;max-width:400px;margin:0 auto}
#portfolio .portfolio-item .portfolio-link .caption{background:rgba(255,204,204,.7);position:absolute;width:100%;height:100%;opacity:0;transition:all ease .5s;-webkit-transition:all ease .5s;-moz-transition:all ease .5s}
#portfolio .portfolio-item .portfolio-link .caption:hover{opacity:1}
#portfolio .portfolio-item .portfolio-link .caption .caption-content{position:absolute;width:100%;height:20px;font-size:20px;text-align:center;top:50%;margin-top:-12px;color:#FC9F9F}
.btn-social,.scroll-top,.scroll-top .btn{width:50px;height:50px}
#portfolio .portfolio-item .portfolio-link .caption .caption-content i{margin-top:-12px}
#portfolio .portfolio-item .portfolio-link .caption .caption-content h3,#portfolio .portfolio-item .portfolio-link .caption .caption-content h4{margin:0}
#portfolio *{z-index:2}
@media (min-width:767px){#portfolio .portfolio-item{margin:0 0 30px}}
.floating-label-form-group{position:relative;margin-bottom:0;padding-bottom:.5em;border-bottom:1px solid #eee}
.floating-label-form-group input,.floating-label-form-group textarea{z-index:1;position:relative;padding-right:0;padding-left:0;border:none;border-radius:0;font-size:1.5em;background:0 0;box-shadow:none!important;resize:none}.floating-label-form-group label{display:block;z-index:0;position:relative;top:2em;margin:0;font-size:.85em;line-height:1.764705882em;vertical-align:middle;vertical-align:baseline;opacity:0;-webkit-transition:top .3s ease,opacity .3s ease;-moz-transition:top .3s ease,opacity .3s ease;-ms-transition:top .3s ease,opacity .3s ease;transition:top .3s ease,opacity .3s ease}.
floating-label-form-group:not(:first-child){padding-left:14px;border-left:1px solid #eee}
.floating-label-form-group-with-value label{top:0;opacity:1}.floating-label-form-group-with-focus label{color:#FC9F9F}
form .row:first-child .floating-label-form-group{border-top:1px solid #eee}
.btn-outline{color:#FC9F9F;font-size:20px;border:2px solid #FC9F9F;background:0 0;transition:all .3s ease-in-out;margin-top:15px}
.btn-outline.active,.btn-outline:active,.btn-outline:focus,.btn-outline:hover{color:#FC9F9F;background:#fff;border:2px solid #fff}
.btn-primary.active,.btn-primary:active,.btn-success.active,.btn-success:active,.open .dropdown-toggle.btn-primary,.open .dropdown-toggle.btn-success{background-image:none}
.btn-primary{color:#FC9F9F;background-color:#FC9F9F;border-color:#FC9F9F;font-weight:700}
.btn-primary.active,.btn-primary:active,.btn-primary:focus,.btn-primary:hover,.open .dropdown-toggle.btn-primary{color:#fff;background-color:#FC9F9F;border-color:#FC9F9F}
.btn-primary.disabled,.btn-primary.disabled.active,.btn-primary.disabled:active,.btn-primary.disabled:focus,.btn-primary.disabled:hover,.btn-primary[disabled],.btn-primary[disabled].active,.btn-primary[disabled]:active,.btn-primary[disabled]:focus,.btn-primary[disabled]:hover,fieldset[disabled] .btn-primary,fieldset[disabled] .btn-primary.active,fieldset[disabled] .btn-primary:active,fieldset[disabled]
.btn-primary:focus,fieldset[disabled] .btn-primary:hover{background-color:#FC9F9F;border-color:#FC9F9F}
.btn-primary .badge{color:#FC9F9F;background-color:#FC9F9F}.btn-success{color:#FC9F9F;background-color:#FC9F9F;border-color:#FC9F9F;font-weight:700}
.btn-success.active,.btn-success:active,.btn-success:focus,.btn-success:hover,.open .dropdown-toggle.btn-success{color:#fff;background-color:#FC9F9F;border-color:#FC9F9F}
.btn-success.disabled,.btn-success.disabled.active,.btn-success.disabled:active,.btn-success.disabled:focus,.btn-success.disabled:hover,.btn-success[disabled],.btn-success[disabled].active,.btn-success[disabled]:active,.btn-success[disabled]:focus,.btn-success[disabled]:hover,fieldset[disabled] .btn-success,fieldset[disabled] .btn-success.active,fieldset[disabled] .btn-success:active,fieldset[disabled] .btn-success:focus,fieldset[disabled]
.btn-success:hover{background-color:#FC9F9F;border-color:#FC9F9F}.btn-success .badge{color:#FC9F9F;background-color:#fff}
.btn-social{display:inline-block;border:2px solid #FC9F9F;border-radius:100%;text-align:center;font-size:20px;line-height:45px}
.btn.active,.btn:active,.btn:focus{outline:0}.scroll-top{position:fixed;right:2%;bottom:2%;z-index:1049}
.scroll-top .btn{font-size:20px;border-radius:100%;line-height:28px}.scroll-top .btn:focus{outline:0}
.portfolio-modal .modal-content{border-radius:0;background-clip:border-box;-webkit-box-shadow:none;box-shadow:none;border:none;min-height:100%;padding:100px 0;text-align:center}
.portfolio-modal .modal-content h2{margin:0;font-size:3em}.portfolio-modal .modal-content img{margin-bottom:30px}.portfolio-modal .modal-content .item-details{margin:30px 0}
.portfolio-modal .close-modal{position:absolute;width:75px;height:75px;background-color:transparent;top:25px;right:25px;cursor:pointer}
.portfolio-modal .close-modal:hover{opacity:.3}
.portfolio-modal .close-modal .lr{height:75px;width:1px;margin-left:35px;background-color:#FC9F9F;transform:rotate(45deg);-ms-transform:rotate(45deg);-webkit-transform:rotate(45deg);z-index:1051}
.portfolio-modal .close-modal .lr .rl{height:75px;width:1px;background-color:#FC9F9F;transform:rotate(90deg);-ms-transform:rotate(90deg);-webkit-transform:rotate(90deg);z-index:1052}
.portfolio-modal .modal-backdrop{opacity:0;display:none}<!DOCTYPE html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>J</title>
<!-- Bootstrap Core CSS -->
<!-- Theme CSS -->
<link rel="stylesheet" type="text/css" href="css/style.css" />
<link href="css/freelancer.min.css" rel="stylesheet">
<link href="css/sticky-footer.css" rel="stylesheet">
<!-- Custom Fonts -->
<link href="vendor/font-awesome/css/font-awesome.min.css" rel="stylesheet" type="text/css">
<link href="https://fonts.googleapis.com/css?family=Montserrat:400,700" rel="stylesheet" type="text/css">
<link href="https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic" rel="stylesheet" type="text/css">
<link rel="icon" type="image/png" href="img/icon.png"/>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" type="text/css" href="css/simplegrid.css" />
<link href="https://fonts.googleapis.com/css?family=Nunito|Nunito+Sans|Playfair+Display|Roboto:300" rel="stylesheet">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<!-- Latest compiled and minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
<!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
<script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
<![endif]-->
<!-- Navigation -->
</head>
<body>
<header>
<div class="container navbar-container navbar-fixed-top" role="navigation">
<div class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="http://"><img onload="this.style.opacity='1!important';" class= "logo" src="img/logo.png"></a>
</div>
<div id="navbar" class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li class="navbar-left"><a href="http://www.">TRAVEL</a></li>
<li class="navbar-left active"><a href="http://www.> PORTFOLIO </a></li>
<li class="navbar-left"><a href="http://www.n"> INSPO </a></li>
<li class="navbar-left"><a href="http://t"> ABOUT </a></li>
</ul>
</div>
<!--/.nav-collapse -->
</div>
<!--/.container-fluid -->
</div>
</div>
</header>
<style>
.row {
background: #ffffff;
padding: 0px;
font-family: 'Roboto', sans-serif;
font-size: 15px;
color: #4a4a4a;
}
@media (min-width:468px) and (max-width:690px){
.content {
font-size: 14px;
}
</style>
<!-- Portfolio Grid Section -->
<br>
<section id="portfolio">
<div class="container">
<div class="row">
<div class="col-lg-12 text-center">
<h4></h4>
<hr class="star-primary">
</div>
</div>
<div class="row">
<div class="col-sm-4 portfolio-item">
<a href="#portfolioModal1" class="portfolio-link" data-toggle="modal">
<div class="caption">
<div class="caption-content">
</div>
</div>
<img src="img/logos-set.png" class="img-responsive" alt="">
</a>
</div>
<div class="col-sm-4 portfolio-item">
<a href="#portfolioModal2" class="portfolio-link" data-toggle="modal">
<div class="caption">
<div class="caption-content">
</div>
</div>
<img src="img/logos-set.png" class="img-responsive" alt="">
</a>
</div>
<div class="col-sm-4 portfolio-item">
<a href="#portfolioModal3" class="portfolio-link" data-toggle="modal">
<div class="caption">
<div class="caption-content">
</div>
</div>
<img src="img/logos-set.png" class="img-responsive" alt="">
</a>
</div>
<div class="col-sm-4 portfolio-item">
<a href="#portfolioModal4" class="portfolio-link" data-toggle="modal">
<div class="caption">
<div class="caption-content">
</div>
</div>
<img src="img/logos-set.png" class="img-responsive" alt="">
</a>
</div>
<div class="col-sm-4 portfolio-item">
<a href="#portfolioModal5" class="portfolio-link" data-toggle="modal">
<div class="caption">
<div class="caption-content">
</div>
</div>
<img src="img/logos-set.png" class="img-responsive" alt="">
</a>
</div>
<div class="col-sm-4 portfolio-item">
<a href="#portfolioModal6" class="portfolio-link" data-toggle="modal">
<div class="caption">
<div class="caption-content">
</div>
</div>
<img src="img/logos-set.png" class="img-responsive" alt="">
</a>
</div>
</div>
</div>
</section>
<!---End Contet-->
<!-- Portfolio Modals -->
<div class="portfolio-modal modal fade" id="portfolioModal1" tabindex="-1" role="dialog" aria-hidden="true">
<div class="modal-content">
<div class="close-modal" data-dismiss="modal">
<div class="lr">
<div class="rl">
</div>
</div>
</div>
<div class="container">
<div class="row">
<div class="col-lg-8 col-lg-offset-2">
<div class="modal-body">
<h4 style=" font-family: 'Roboto', sans-serif;
font-size: 20px;
color: #4a4a4a;">LOGOS</h4>
<hr class="star-primary">
<img src="img/logos.png" class="img-responsive img-centered" alt="">
<button type="button" class="btn btn-default" data-dismiss="modal"><i class="fa fa-times"></i> Close</button>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="portfolio-modal modal fade" id="portfolioModal2" tabindex="-1" role="dialog" aria-hidden="true">
<div class="modal-content">
<div class="close-modal" data-dismiss="modal">
<div class="lr">
<div class="rl">
</div>
</div>
</div>
<div class="container">
<div class="row">
<div class="col-lg-8 col-lg-offset-2">
<div class="modal-body">
<h2>Project Title</h2>
<hr class="star-primary">
<img src="img/portfolio/cake.png" class="img-responsive img-centered" alt="">
<p>Use this area of the page to describe your project. The icon above is part of a free icon set by <a href="https://sellfy.com/p/8Q9P/jV3VZ/">Flat Icons</a>. On their website, you can download their free set with 16 icons, or you can purchase the entire set with 146 icons for only $12!</p>
<ul class="list-inline item-details">
<li>Client:
<strong><a href="http://startbootstrap.com">Start Bootstrap</a>
</strong>
</li>
<li>Date:
<strong><a href="http://startbootstrap.com">April 2014</a>
</strong>
</li>
<li>Service:
<strong><a href="http://startbootstrap.com">Web Development</a>
</strong>
</li>
</ul>
<button type="button" class="btn btn-default" data-dismiss="modal"><i class="fa fa-times"></i> Close</button>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="portfolio-modal modal fade" id="portfolioModal3" tabindex="-1" role="dialog" aria-hidden="true">
<div class="modal-content">
<div class="close-modal" data-dismiss="modal">
<div class="lr">
<div class="rl">
</div>
</div>
</div>
<div class="container">
<div class="row">
<div class="col-lg-8 col-lg-offset-2">
<div class="modal-body">
<h2>Project Title</h2>
<hr class="star-primary">
<img src="img/portfolio/circus.png" class="img-responsive img-centered" alt="">
<p>Use this area of the page to describe your project. The icon above is part of a free icon set by <a href="https://sellfy.com/p/8Q9P/jV3VZ/">Flat Icons</a>. On their website, you can download their free set with 16 icons, or you can purchase the entire set with 146 icons for only $12!</p>
<ul class="list-inline item-details">
<li>Client:
<strong><a href="http://startbootstrap.com">Start Bootstrap</a>
</strong>
</li>
<li>Date:
<strong><a href="http://startbootstrap.com">April 2014</a>
</strong>
</li>
<li>Service:
<strong><a href="http://startbootstrap.com">Web Development</a>
</strong>
</li>
</ul>
<button type="button" class="btn btn-default" data-dismiss="modal"><i class="fa fa-times"></i> Close</button>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="portfolio-modal modal fade" id="portfolioModal4" tabindex="-1" role="dialog" aria-hidden="true">
<div class="modal-content">
<div class="close-modal" data-dismiss="modal">
<div class="lr">
<div class="rl">
</div>
</div>
</div>
<div class="container">
<div class="row">
<div class="col-lg-8 col-lg-offset-2">
<div class="modal-body">
<h2>Project Title</h2>
<hr class="star-primary">
<img src="img/portfolio/game.png" class="img-responsive img-centered" alt="">
<p>Use this area of the page to describe your project. The icon above is part of a free icon set by <a href="https://sellfy.com/p/8Q9P/jV3VZ/">Flat Icons</a>. On their website, you can download their free set with 16 icons, or you can purchase the entire set with 146 icons for only $12!</p>
<ul class="list-inline item-details">
<li>Client:
<strong><a href="http://startbootstrap.com">Start Bootstrap</a>
</strong>
</li>
<li>Date:
<strong><a href="http://startbootstrap.com">April 2014</a>
</strong>
</li>
<li>Service:
<strong><a href="http://startbootstrap.com">Web Development</a>
</strong>
</li>
</ul>
<button type="button" class="btn btn-default" data-dismiss="modal"><i class="fa fa-times"></i> Close</button>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="portfolio-modal modal fade" id="portfolioModal5" tabindex="-1" role="dialog" aria-hidden="true">
<div class="modal-content">
<div class="close-modal" data-dismiss="modal">
<div class="lr">
<div class="rl">
</div>
</div>
</div>
<div class="container">
<div class="row">
<div class="col-lg-8 col-lg-offset-2">
<div class="modal-body">
<h2>Project Title</h2>
<hr class="star-primary">
<img src="img/portfolio/safe.png" class="img-responsive img-centered" alt="">
<p>Use this area of the page to describe your project. The icon above is part of a free icon set by <a href="https://sellfy.com/p/8Q9P/jV3VZ/">Flat Icons</a>. On their website, you can download their free set with 16 icons, or you can purchase the entire set with 146 icons for only $12!</p>
<ul class="list-inline item-details">
<li>Client:
<strong><a href="http://startbootstrap.com">Start Bootstrap</a>
</strong>
</li>
<li>Date:
<strong><a href="http://startbootstrap.com">April 2014</a>
</strong>
</li>
<li>Service:
<strong><a href="http://startbootstrap.com">Web Development</a>
</strong>
</li>
</ul>
<button type="button" class="btn btn-default" data-dismiss="modal"><i class="fa fa-times"></i> Close</button>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="portfolio-modal modal fade" id="portfolioModal6" tabindex="-1" role="dialog" aria-hidden="true">
<div class="modal-content">
<div class="close-modal" data-dismiss="modal">
<div class="lr">
<div class="rl">
</div>
</div>
</div>
<div class="container">
<div class="row">
<div class="col-lg-8 col-lg-offset-2">
<div class="modal-body">
<h2>Project Title</h2>
<hr class="star-primary">
<img src="img/portfolio/submarine.png" class="img-responsive img-centered" alt="">
<p>Use this area of the page to describe your project. The icon above is part of a free icon set by <a href="https://sellfy.com/p/8Q9P/jV3VZ/">Flat Icons</a>. On their website, you can download their free set with 16 icons, or you can purchase the entire set with 146 icons for only $12!</p>
<ul class="list-inline item-details">
<li>Client:
<strong><a href="http://startbootstrap.com">Start Bootstrap</a>
</strong>
</li>
<li>Date:
<strong><a href="http://startbootstrap.com">April 2014</a>
</strong>
</li>
<li>Service:
<strong><a href="http://startbootstrap.com">Web Development</a>
</strong>
</li>
</ul>
<button type="button" class="btn btn-default" data-dismiss="modal"><i class="fa fa-times"></i> Close</button>
</div>
</div>
</div>
</div>
</div>
</div>
<footer class="footer">
<div class="container">
<span>Copyright © 2017. . All rights reserved.</span>
</div>
</footer>
<!---End Footer-->
<!-- jQuery -->
<script src="vendor/jquery/jquery.min.js"></script>
<!-- Bootstrap Core JavaScript -->
<script src="vendor/bootstrap/js/bootstrap.min.js"></script>
<!-- Plugin JavaScript -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-easing/1.3/jquery.easing.min.js"></script>
<!-- Contact Form JavaScript -->
<script src="js/jqBootstrapValidation.js"></script>
<script src="js/contact_me.js"></script>
<!-- Theme JavaScript -->
<script src="js/freelancer.min.js"></script>
</body>
</html>最佳答案
将outline:none设置为焦点
.portfolio-link:focus {
outline: none;
}
关于html - 更改事件列的颜色，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/41741238/