如何制作骨形纽扣

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【中文标题】如何制作骨形纽扣【英文标题】：How to make a bone shaped button 【发布时间】：2020-08-26 03:23:18 【问题描述】：

我目前正在为我的网站试验一个按钮。我希望它看起来像一个普通的按钮，但是一旦你将它悬停，它就会变成一根骨头（我的网站是关于狗的）。

所以我使用了一个已经存在的 codepen 项目，我最终得到了这个：

:root 
    --bg: #1a1e24;
    --color: #eee;
    --font: Montserrat, Roboto, Helvetica, Arial, sans-serif;


.wrapper 
    padding: 1.5rem 0;
    filter: url('#goo');


.bone 
    display: inline-block;
    text-align: center;
    background: var(--color);
    color: var(--bg);
    font-weight: bold;
    padding: 1em 1em 1.03em;
    line-height: 1;
    border-radius: 0.4em;
    position: relative;
    min-width: 8.23em;
    text-decoration: none;
    font-family: var(--font);
    font-size: 1.25rem;


.bone:before,
.bone:after 
    width: 2em;
    height: 2em;
    position: absolute;
    content: "";
    display: inline-block;
    background: var(--color);
    border-radius: 50%;
    transition: transform 1s ease;
    transform: scale(0);
    z-index: -1;
    


.bone:before 
    top: 50%;
    right: -10%;


.bone:after 
    bottom: 50%;
    right: -10%;


.bone:hover:before,
.bone:hover:after 
    transform: none;



/* Demo styles */

body 
    width: 100%;
    height: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--bg)

<div class="wrapper">
    <a class="bone" href="#">Woof woof</a>
</div>

<!-- Filter: https://css-tricks.com/gooey-effect/ -->
<svg style="visibility: hidden; position: absolute;"   xmlns="http://www.w3.org/2000/svg" version="1.1">
    <defs>
        <filter id="goo"><feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur" />    
            <feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 19 -9" result="goo" />
            <feComposite in="SourceGraphic" in2="goo" operator="atop"/>
        </filter>
    </defs>
</svg>

如您所见，我已经能够使用::before 和::after 元素在按钮右侧创建骨骼形状。

但是，既然我想对左侧做同样的事情，我真的不能这样做，因为我已经使用了::before 和::after。

在按钮的左侧有没有做同样的事情？

【问题讨论】：

【参考方案1】：

试试这个：Bone Button

:root 
  --bg: #1a1e24;
  --color: #eee;
  --font: Montserrat, Roboto, Helvetica, Arial, sans-serif;


.wrapper 
  padding: 1.5rem 0;
  filter: url('#goo');


.bone 
  display: inline-block;
  text-align: center;
  background: var(--color);
  color: var(--bg);
  font-weight: bold;
  padding: 0.8em 0.5em 0.8em;
  line-height: 1;
  border-radius: 0.4em;
  position: relative;
  min-width: 8.23em;
  text-decoration: none;
  font-family: var(--font);
  font-size: 1.25rem;


.bone::before,
.bone::after,
.bone span::before,
.bone span::after 
  width: 2.3em;
  height: 2.3em;
  position: absolute;
  content: "";
  display: inline-block;
  background: var(--color);
  border-radius: 50%;
  transition: transform 1s ease;
  transform: scale(0);
  z-index: -1;


.bone::before 
  top: 50%;
  right: -10%;


.bone::after 
  bottom: 50%;
  right: -10%;


.bone span::before 
  top: 50%;
  left: -10%;


.bone span::after 
  bottom: 50%;
  left: -10%;


.bone:hover::before,
.bone:hover::after,
.bone:hover span::before,
.bone:hover span::after 
  transform: none;



/* Demo styles */

body 
  width: 100%;
  height: 100%;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--bg)

<div class="wrapper">
  <a class="bone" href="#">
    <span>Woof woof</span>
  </a>
</div>

<!-- Filter: https://css-tricks.com/gooey-effect/ -->
<svg style="visibility: hidden; position: absolute;"   xmlns="http://www.w3.org/2000/svg" version="1.1">
    <defs>
        <filter id="goo"><feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur" />    
            <feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 19 -9" result="goo" />
            <feComposite in="SourceGraphic" in2="goo" operator="atop"/>
        </filter>
    </defs>
</svg>

【讨论】：

【参考方案2】：

用更少的代码实现不同的动画理念：

:root 
    --bg: #1a1e24;
    --color: #eee;
    --font: Montserrat, Roboto, Helvetica, Arial, sans-serif;


.bone 
    display: inline-block;
    text-align: center;
    background: var(--color);
    color: var(--bg);
    font-weight: bold;
    padding: 1em 1em 1.03em;
    line-height: 1;
    border-radius: 0.4em;
    position: relative;
    min-width: 8.23em;
    text-decoration: none;
    font-family: var(--font);
    font-size: 1.25rem;
    filter: url('#goo');


.bone:before 
    content: "";
    position: absolute;
    top:-1em;  
    bottom:-1em;
    left:0;
    right:0;
    background: 
      radial-gradient(farthest-side,var(--color) 98%,transparent 100%) top    left,
      radial-gradient(farthest-side,var(--color) 98%,transparent 100%) top    right,
      radial-gradient(farthest-side,var(--color) 98%,transparent 100%) bottom left,
      radial-gradient(farthest-side,var(--color) 98%,transparent 100%) bottom right;
    background-size: 0 0;
    background-repeat:no-repeat;
    transition:0.8s ease-out;

.bone:hover::before 
    background-size: 50px 50px;
    left:-1em;
    right:-1em;


/* Demo styles */

body 
    min-height: 100vh;
    margin:0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--bg)

<a class="bone" href="#">Woof woof</a>


<!-- Filter: https://css-tricks.com/gooey-effect/ -->
<svg style="visibility: hidden; position: absolute;"   xmlns="http://www.w3.org/2000/svg" version="1.1">
    <defs>
        <filter id="goo"><feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur" />    
            <feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 19 -9" result="goo" />
            <feComposite in="SourceGraphic" in2="goo" operator="atop"/>
        </filter>
    </defs>
</svg>

您可以使用 CSS 变量调整不同的值来控制最终形状：

.bone 
    --ty:-1em;
    --tx:-1em;
    --s:50px;
    display: inline-block;
    text-align: center;
    background: var(--color);
    color: var(--bg);
    font-weight: bold;
    padding: 1em 1em 1.03em;
    margin:2em;
    line-height: 1;
    border-radius: 0.4em;
    position: relative;
    min-width: 8.23em;
    text-decoration: none;
    font-family:  Montserrat, Roboto, Helvetica, Arial, sans-serif;
    font-size: 1.25rem;
    filter: url('#goo');


.bone:before 
    content: "";
    position: absolute;
    top:var(--ty);  
    bottom:var(--ty);
    left:0;
    right:0;
    background: 
      radial-gradient(farthest-side,var(--color) 98%,transparent 100%) top    left,
      radial-gradient(farthest-side,var(--color) 98%,transparent 100%) top    right,
      radial-gradient(farthest-side,var(--color) 98%,transparent 100%) bottom left,
      radial-gradient(farthest-side,var(--color) 98%,transparent 100%) bottom right;
    background-size: 0 0;
    background-repeat:no-repeat;
    transition:0.7s;

.bone:hover::before 
    background-size: var(--s) var(--s);
    left:var(--tx);
    right:var(--tx);


body 
    background:var(--bg);
    --bg:#1a1e24;
    --color:#eee;

<a class="bone" href="#">Woof woof</a>
<a class="bone" href="#" style="--ty:-0.5em;--s:35px;">Woof woof</a>
<a class="bone" href="#" style="--tx:-0.5em;--s:40px;">Woof </a>
<a class="bone" href="#" style="--tx:-1.2em;--ty:-1.3em;--s:55px;">Woof </a>


<!-- Filter: https://css-tricks.com/gooey-effect/ -->
<svg style="visibility: hidden; position: absolute;"   xmlns="http://www.w3.org/2000/svg" version="1.1">
    <defs>
        <filter id="goo"><feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur" />    
            <feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 19 -9" result="goo" />
            <feComposite in="SourceGraphic" in2="goo" operator="atop"/>
        </filter>
    </defs>
</svg>

还是另一种动画：

.bone 
    --ty:-1em;
    --tx:-1em;
    --s:50px;
    display: inline-block;
    text-align: center;
    background: var(--color);
    color: var(--bg);
    font-weight: bold;
    padding: 1em 1em 1.03em;
    margin:2em;
    line-height: 1;
    border-radius: 0.4em;
    position: relative;
    z-index:0;
    min-width: 8.23em;
    text-decoration: none;
    font-family:  Montserrat, Roboto, Helvetica, Arial, sans-serif;
    font-size: 1.25rem;
    filter: url('#goo');


.bone:before 
    content: "";
    position: absolute;
    z-index:-1;
    top:50%;  
    bottom:50%;
    left:0;
    right:0;
    background: 
      radial-gradient(farthest-side,var(--color) 98%,transparent 100%) top    left,
      radial-gradient(farthest-side,var(--color) 98%,transparent 100%) top    right,
      radial-gradient(farthest-side,var(--color) 98%,transparent 100%) bottom left,
      radial-gradient(farthest-side,var(--color) 98%,transparent 100%) bottom right;
    background-size: var(--s) var(--s);
    background-repeat:no-repeat;
    transition:0.6s;

.bone:hover::before 
    top:var(--ty);  
    bottom:var(--ty);
    left:var(--tx);
    right:var(--tx);


body 
    background:var(--bg);
    --bg:#1a1e24;
    --color:#eee;

<a class="bone" href="#">Woof woof</a>
<a class="bone" href="#" style="--ty:-0.5em;--s:35px;">Woof woof</a>
<a class="bone" href="#" style="--tx:-0.5em;--s:40px;">Woof </a>
<a class="bone" href="#" style="--tx:-1.2em;--ty:-1.3em;--s:55px;">Woof </a>


<!-- Filter: https://css-tricks.com/gooey-effect/ -->
<svg style="visibility: hidden; position: absolute;"   xmlns="http://www.w3.org/2000/svg" version="1.1">
    <defs>
        <filter id="goo"><feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur" />    
            <feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 19 -9" result="goo" />
            <feComposite in="SourceGraphic" in2="goo" operator="atop"/>
        </filter>
    </defs>
</svg>

【讨论】：

【参考方案3】： 

:root 
    --bg: #1a1e24;
    --color: #eee;
    --font: Montserrat, Roboto, Helvetica, Arial, sans-serif;


.wrapper 
    padding: 1.5rem 0;
    filter: url('#goo');


.bone 
    display: inline-block;
    text-align: center;
    background: var(--color);
    color: var(--bg);
    font-weight: bold;
    padding: 1em 1em 1.03em;
    line-height: 1;
    border-radius: 0.4em;
    position: relative;
    min-width: 8.23em;
    text-decoration: none;
    font-family: var(--font);
    font-size: 1.25rem;


.bone-left 
    position: absolute;
    top: 30px;
    right: -15px;


.bone-right 
    position: absolute;
    top: 30px;
    left: 15px;


.bone .bone-left:before,
.bone .bone-left:after,
.bone .bone-right:before,
.bone .bone-right:after 
    width: 2em;
    height: 2em;
    position: absolute;
    content: "";
    display: inline-block;
    background: var(--color);
    border-radius: 50%;
    transition: transform 1s ease;
    transform: scale(0);
    z-index: -1;



.bone .bone-left:before,
.bone .bone-right:before 
    top: 50%;
    right: -10%;


.bone .bone-left:after,
.bone .bone-right:after 
    bottom: 50%;
    right: -10%;


.bone:hover .bone-left:before,
.bone:hover .bone-left:after,
.bone:hover .bone-right:before,
.bone:hover .bone-right:after 
    transform: none;


/* Demo styles */

body 
    width: 100%;
    height: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--bg)

<div class="wrapper">
    <a class="bone" href="#">
        <span class="bone-left"></span>
        <span>Woof woof</span>
        <span class="bone-right"></span>
    </a>
</div>

<!-- Filter: https://css-tricks.com/gooey-effect/ -->
<svg style="visibility: hidden; position: absolute;"   xmlns="http://www.w3.org/2000/svg" version="1.1">
    <defs>
        <filter id="goo"><feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur" />    
            <feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 19 -9" result="goo" />
            <feComposite in="SourceGraphic" in2="goo" operator="atop"/>
        </filter>
    </defs>
</svg>

【讨论】：

【参考方案4】：

让我们保持简单！您可以在 a 标签内添加 span 并使用新的伪元素来处理骨骼的左侧部分

:root 
  --bg: #1a1e24;
  --color: #eee;
  --font: Montserrat, Roboto, Helvetica, Arial, sans-serif;


.bone 
  filter: url('#goo');
  display: inline-block;
  text-align: center;
  background: var(--color);
  color: var(--bg);
  font-weight: bold;
  padding: 1em 1em 1.03em;
  line-height: 1;
  border-radius: 0.4em;
  position: relative;
  min-width: 8.23em;
  text-decoration: none;
  font-family: var(--font);
  font-size: 1.25rem;


.bone::before,
.bone::after,
.bone span::before,
.bone span::after 
  content: "";
  width: 2em;
  height: 2em;
  position: absolute;
  display: inline-block;
  background: var(--color);
  border-radius: 50%;
  transition: transform 1s ease;
  transform: scale(0);
  z-index: -1;



/*top*/

.bone::before,
.bone span::before 
  top: 50%;



/*bottom*/

.bone::after,
.bone span::after 
  bottom: 50%;



/*right*/

.bone::before,
.bone::after 
  right: -10%;



/*left*/

.bone span::before,
.bone span::after 
  left: -10%;


.bone:hover::before,
.bone:hover::after,
.bone:hover span::before,
.bone:hover span::after 
  transform: none;



/* Demo styles */

body 
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--bg)

<a class="bone" href="#">
  <span>Woof woof</span>
</a>

<!-- Filter: https://css-tricks.com/gooey-effect/ -->
<svg style="visibility: hidden; position: absolute;"   xmlns="http://www.w3.org/2000/svg" version="1.1">
    <defs>
        <filter id="goo"><feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur" />    
            <feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 19 -9" result="goo" />
            <feComposite in="SourceGraphic" in2="goo" operator="atop"/>
        </filter>
    </defs>
</svg>

【讨论】：

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