Square div with a frame. Show corners only

Question

I have a player that I use on my website.
I want to change the appearance of the play button.

I thought of doing this with a dotted border, and then increased the space between the dashes. This did not work.

I can not use the image. Is there a CSS(3) solution CSS(3) ?

I want it to look something like this.

It really is all about the corners!

------------- UPDATE ----------------

So I used @Naila's solution to make it work. Follow these steps:

I am using the Video.js plugin for WordPress and I am creating a new skin

Since I was following css , I found that ::before -pseudo already exists that handles the play arrow.

::before -pseudo of the arrow indicates a width of 100%, which helps the arrow to be in the center. Since I use 30% width to make border borders. This overwrites the earlier width of 100%. As a result:

Here:
Codepen

If you just passed this CSS in the CSS field, you will get where I am now and see the problem:

 /* Player Skin Designer for Video.js http://videojs.com To customize the player skin edit the CSS below. Click "details" below to add comments or questions. This file uses some SCSS. Learn more at http://sass-lang.com/guide) This designer can be linked to at: http://codepen.io/heff/pen/EarCt/left/?editors=010 */ // The following are SCSS variables to automate some of the values. // But don't feel limited by them. Change/replace whatever you want. // The color of icons, text, and the big play button border. // Try changing to #0f0 $primary-foreground-color: #fff; // #fff default // The default color of control backgrounds is mostly black but with a little // bit of blue so it can still be seen on all-black video frames, which are c ommon. // Try changing to #900 $primary-background-color: #2B333F; // #2B333F default // Try changing to true $center-big-play-button: true; // true default .video-js { /* The base font size controls the size of everything, not just text. All dimensions use em-based sizes so that the scale along with the font size. Try increasing it to 15px and see what happens. */ font-size: 10px; /* The main font color changes the ICON COLORS as well as the text */ color: $primary-foreground-color; } /* The "Big Play Button" is the play button that shows before the video plays. To center it set the align values to center and middle. The typical location of the button is the center, but there is trend towards moving it to a corner where it gets out of the way of valuable content in the poster image.*/ .vjs-default-skin .vjs-big-play-button { /* The font size is what makes the big play button...big. All width/height values use ems, which are a multiple of the font size. If the .video-js font-size is 10px, then 3em equals 30px.*/ font-size: 3em; /* We're using SCSS vars here because the values are used in multiple places. Now that font size is set, the following em values will be a multiple of the new font size. If the font-size is 3em (30px), then setting any of the following values to 3em would equal 30px. 3 * font-size. */ $big-play-width: 3em; /* 1.5em = 45px default */ $big-play-height: 3em; line-height: $big-play-height; height: $big-play-height; width: $big-play-width; /* 0.06666em = 2px default */ /* 0.3em = 9px default */ border:none; border-radius:0; @if $center-big-play-button { /* Align center */ left: 50%; top: 50%; margin-left: -($big-play-width / 2); margin-top: -($big-play-height / 2); } @else { /* Align top left. 0.5em = 15px default */ left: 0.5em; top: 0.5em; } } .vjs-big-play-button:before { position: absolute; content: ""; width: 30px !important; height: 30px!important; right: -2px; bottom: -2px; border-left: 2px solid $primary-foreground-color; border-top: 2px solid $primary-foreground-color; } .vjs-big-play-button:after { position: absolute; content: ""; width: 30px; height: 30px; right: -2px; bottom: -2px; border-right: 2px solid $primary-foreground-color; border-bottom: 2px solid $primary-foreground-color; } /* The default color of control backgrounds is mostly black but with a little bit of blue so it can still be seen on all-black video frames, which are common. */ .video-js .vjs-control-bar, .video-js .vjs-big-play-button, .video-js .vjs-menu-button .vjs-menu-content { /* IE8 - has no alpha support */ background-color: $primary-background-color; /* Opacity: 1.0 = 100%, 0.0 = 0% */ background-color: rgba($primary-background-color, 0.7); } // Make a slightly lighter version of the main background // for the slider background. $slider-bg-color: lighten($primary-background-color, 33%); /* Slider - used for Volume bar and Progress bar */ .video-js .vjs-slider { background-color: $slider-bg-color; background-color: rgba($slider-bg-color, 0.5); } /* The slider bar color is used for the progress bar and the volume bar (the first two can be removed after a fix that coming) */ .video-js .vjs-volume-level, .video-js .vjs-play-progress, .video-js .vjs-slider-bar { background: $primary-foreground-color; } /* The main progress bar also has a bar that shows how much has been loaded. */ .video-js .vjs-load-progress { /* For IE8 we'll lighten the color */ background: lighten($slider-bg-color, 25%); /* Otherwise we'll rely on stacked opacities */ background: rgba($slider-bg-color, 0.5); } /* The load progress bar also has internal divs that represent smaller disconnected loaded time ranges */ .video-js .vjs-load-progress div { /* For IE8 we'll lighten the color */ background: lighten($slider-bg-color, 50%); /* Otherwise we'll rely on stacked opacities */ background: rgba($slider-bg-color, 0.75); } 

Answer 1

we can do this with pseudo elements, check out the demo

 .box { width: 200px; height: 200px; margin: 15px auto; background: #999; position: relative; } .box:before { position: absolute; content: ""; width: 30px; height: 30px; top: -2px; left: -2px; z-index:-1; border-left: 2px solid red; border-top: 2px solid red; } .box:after { position: absolute; content: ""; width: 30px; height: 30px; right: -2px; bottom: -2px; z-index:-1; border-right: 2px solid red; border-bottom: 2px solid red; } 

 <div class="box"></div> 

Answer 2

You can use one element and create a border with pseudo-elements, and for the arrow you can use a special char. You can also use Flexbox for alignment.

 body { background: #000000; } .button { margin: 50px; width: 100px; height: 100px; display: flex; align-items: center; justify-content: center; background: #1E232C; color: white; font-size: 20px; position: relative; } .button:before, .button:after { width: 30px; height: 30px; content: ''; position: absolute; } .button:before { border-top: 1px solid white; border-left: 1px solid white; top: 0; left: 0; } .button:after { border-right: 1px solid white; border-bottom: 1px solid white; bottom: 0; right: 0; } 

 <div class="button">►</div> 

Answer 3

Instead of using pseudo-elements for corners, why not use box-shadow ?

 html,body{ background: black; height: 100%; } .player{ background: #333; box-shadow: 16px 16px 0 -15px white, -16px -16px 0 -15px white; display: block; height: 50px; margin: 50px auto; position: relative; width: 50px; } .player::before{ border-color: transparent transparent transparent white; border-style: solid; border-width: 10px; content: ""; display: block; left: 20px; position: absolute; top: 15px; } 

 <span class="player"></span> 

Answer 4

Since I answered, here are some methods for information (including effect and radius tests) without pseudo and CSS (3) :

(using shadow and gradient, as I commented a day ago).

SVG is not involved and is not required, but it will also work.

 div:nth-child(1),div:nth-child(6),div:nth-child(11) { box-shadow: -70px -70px 0 -67px red, 70px 70px 0 -67px red; } div:nth-child(1):hover,div:nth-child(6):hover,div:nth-child(11):hover { box-shadow: -70px -70px 0 -67px red, 70px 70px 0 -67px red, 0 0 0 3px gold; } div:nth-child(2),div:nth-child(7),div:nth-child(12) { background: linear-gradient(#333, #333) no-repeat center, linear-gradient(to bottom right, red 20%, transparent 20%, transparent 80%, red 80%) no-repeat center ; background-size: auto auto, 200px 200px; } div:nth-child(2):hover, div:nth-child(7):hover,div:nth-child(12):hover { background: linear-gradient(#333, #333) no-repeat center, linear-gradient(to bottom right, red 20%, transparent 20%, transparent 80%, red 80%) no-repeat center, white; background-size: auto auto, 200px 200px; } div:nth-child(3),div:nth-child(8),div:nth-child(13) { border:none; padding:3px; background: linear-gradient(red,red) no-repeat top left, linear-gradient(red,red) no-repeat top left, linear-gradient(red,red) no-repeat bottom right, linear-gradient(red,red) no-repeat bottom right, linear-gradient(#333,#333) center no-repeat ; background-size: 40% 3px, 3px 40%, 40% 3px, 3px 40%, auto auto; background-clip: border-box, border-box, border-box, border-box, content-box; } div:nth-child(3):hover, div:nth-child(8):hover,div:nth-child(13):hover { border:none; padding:3px; background: linear-gradient(red,red) no-repeat top left, linear-gradient(red,red) no-repeat top left, linear-gradient(red,red) no-repeat bottom right, linear-gradient(red,red) no-repeat bottom right, linear-gradient(#333,#333) center no-repeat, green ; background-size: 40% 3px, 3px 40%, 40% 3px, 3px 40%, auto auto; background-clip: border-box, border-box, border-box, border-box, content-box; } div { width: 200px; height:200px; margin: 10px; background: #333; border: solid transparent; box-sizing: border-box; display:inline-flex; vertical-align:middle; flex-direction:column; align-items:center; justify-content:center; text-align:center; color:white; } hr~div { border-radius:5px; } hr~hr~div { border-radius:25px; } html { background:gray; text-align:center } 

 <div>red broken borders drawn via <code>shadow</code> </div> <div>red broken borders drawn via <code>linear&shy;-gradient</code> </div> <div>red broken borders drawn via multiple <code>linear&shy;-gradient</code> & <code>background&shy;-clip, background&shy;-size, background&shy;-position</code> </div> <hr/> <p>Can a small <code>border-radius</code> be applied ?</p> <div>red broken borders drawn via <code>shadow</code> </div> <div>red broken borders drawn via <code>linear&shy;-gradient</code> </div> <div>red broken borders drawn via multiple <code>linear&shy;-gradient</code> & <code>background&shy;-clip, background&shy;-size, background&shy;-position</code> </div> <hr/> <p>Can a big <code>border-radius</code> be applied ?</p> <div>red broken borders drawn via <code>shadow</code> </div> <div>red broken borders drawn via <code>linear&shy;-gradient</code> </div> <div>red broken borders drawn via multiple <code>linear&shy;-gradient</code> & <code>background&shy;-clip, background&shy;-size, background&shy;-position</code> </div> 

If you really need a fix for a larger radius, change the order of bg-gradient and background-size in the third example. See the 10th div in codepen to play with;)

Answer 5

I would write this button like this, please rewrite your devices because of your design:

  .play-icon {position:relative;} .play-icon:before {content: '';position:absolute;left:-1px;top:-1px; width:10px; height:10px; border-left:1px solid #fff; border-top:1px solid #fff; display:inline-block; } .play-icon:after {content: '';position:absolute;right:-1px;bottom:-1px; width:10px; height:10px; border-right:1px solid #fff; border-bottom:1px solid #fff; display:inline-block; } 

Answer 6

Using the combo :before and :after , you can get the desired effect.

The idea is to use :before and :after pseudo-elements to create 2 smaller squares inside your element and give them white borders on their upper / left and lower / right sides, respectively.

Since your design requires white borders to be offset outside the button, we will use negative positioning.

 html, body { height: 100%; width: 100%; background-color: #000000; } .container { height: 100%; display: flex; justify-content: center; align-items: center; } .btnPlay { position: relative; color: #ffffff; font-size: 20px; width: 100px; height: 100px; line-height: 100px; text-align: center; background-color: #222222; transition: background 0.1s ease-out; } .btnPlay:before, .btnPlay:after { content: ""; position: absolute; display: block; width: 25px; height: 25px; } .btnPlay:before { top: -1px; left: -1px; border-left: 1px solid #ffffff; border-top: 1px solid #ffffff; } .btnPlay:after { bottom: -1px; right: -1px; border-right: 1px solid #ffffff; border-bottom: 1px solid #ffffff; } .btnPlay:hover { cursor: pointer; background-color: #292929; } 

 <div class="container"> <div class="btnPlay"> &#9658; </div> </div> 

Answer 7

If the pseudo items are not your bag:

 body { background: #555; } .parent, .main { position: relative; height: 100px; width: 100px; } .main { background-color: navy; z-index: 2; } .sub { position: absolute; background-color: white; height: 30px; width: 30px; z-index: 1; } .sub.tl { top:-1px; left:-1px; } .sub.br { bottom:-1px; right:-1px; } 

 <div class="parent"> <div class="main"></div> <div class="sub tl"></div> <div class="sub br"></div> </div> 

Answer 8

This is possible through the use of pseudo-language CSS elements. You just need to create two white boxes and place them below your parent using a negative z-index only on the pseudo-elements, because if you set the z-index for the parent, the pseudo-elements will not know what to do with their z-index , because the parent z-index has more weight.

Here is a working Fiddle.

 <div class="container"> <div class="play-box"></div> </div> 

---

 body { background: black; } .play-box { margin: 5rem; width: 200px; height: 200px; background: #2f2f2f; position: relative; } .play-box::before, .play-box::after { position: absolute; content: ''; background: #fff; width: 50px; height: 50px; z-index: -1; } .play-box::before { left: -1px; top: -1px; } .play-box::after { right: -1px; bottom: -1px; }