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html - 以前如何设置按钮的左右边框？

问题描述

如何仅使用一个：before 或 :after 设置按钮的左右边框，按钮左侧和右侧有 20px 的空间，我试图设置边框的内容请参见设计的附件 - 我想要的。请通过我的屏幕截图帮助我。提前致谢。

在此处输入图像描述

.btn-action {
  display: block;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  background-color: gray;
  height: 400px;
  -webkit-box-orient: vertical!important;
  -webkit-box-direction: normal!important;
  -ms-flex-direction: column!important;
  flex-direction: column!important;
  display: -webkit-box!important;
  display: -ms-flexbox!important;
  display: flex!important;
  -webkit-box-pack: center!important;
  -ms-flex-pack: center!important;
  justify-content: center!important;
  -webkit-box-align: center!important;
  -ms-flex-align: center!important;
  align-items: center!important;
}
.btn {
  display: inline-block;
  font-size: 18px;
  line-height: 24px;
  color: #fff;
  padding: 12px 32px;
  border: 2px solid #C3A165;
  text-transform: uppercase;
  font-weight: 500;
  background-color: transparent;
  border-radius: 0;
  text-decoration: none;
  transition: 0.3s all;
  -webkit-transition: 0.3s all;
  -moz-transition: 0.3s all;
  -ms-transition: 0.3s all;
}
.btn:hover {
  background-color: #C3A165;
  color: #fff;
  border-color: #C3A165;
}
.btn:before {
  content: '';
  height: 1px;
  background-color: #C3A165;
  width: 100%;
  position: absolute;
  left: 0;
  top: 25px;
}
.border {
  position: relative;
  width: 100%;
}
<section class="btn-action">
  <div class="border">
    <a href="#" class="btn primary">Get Started</a>
  </div>
</section>

标签： htmlcssborder

解决方案

由于只允许使用一个伪元素，因此可以使用box-shadow来实现效果。但是，必须对位置值进行硬编码。

.btn-action {
  display: block;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  background-color: gray;
  height: 400px;
  -webkit-box-orient: vertical!important;
  -webkit-box-direction: normal!important;
  -ms-flex-direction: column!important;
  flex-direction: column!important;
  display: -webkit-box!important;
  display: -ms-flexbox!important;
  display: flex!important;
  -webkit-box-pack: center!important;
  -ms-flex-pack: center!important;
  justify-content: center!important;
  -webkit-box-align: center!important;
  -ms-flex-align: center!important;
  align-items: center!important;
  overflow: hidden;
}
.btn {
  display: inline-block;
  font-size: 18px;
  line-height: 24px;
  color: #fff;
  padding: 12px 32px;
  border: 2px solid #C3A165;
  text-transform: uppercase;
  font-weight: 500;
  background-color: transparent;
  border-radius: 0;
  text-decoration: none;
  transition: 0.3s all;
  -webkit-transition: 0.3s all;
  -moz-transition: 0.3s all;
  -ms-transition: 0.3s all;
}
.btn:hover {
  background-color: #C3A165;
  color: #fff;
  border-color: #C3A165;
}
.btn:before {
  content: '';
  height: 1px;
  background: linear-gradient(to right,#C3A165 30%,transparent 30% 70%,#C3A165 70% 100%);
  width: 100%;
  position: absolute;
  left: 0px;
  top: 25px;
}
.border {
  position: relative;
  width: 100%;
}
<section class="btn-action">
  <div class="border">
    <a href="#" class="btn primary">Get Started</a>
  </div>
</section>

另一种方法是使用linear-gradient

.btn-action {
  display: block;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  background-color: gray;
  height: 400px;
  -webkit-box-orient: vertical!important;
  -webkit-box-direction: normal!important;
  -ms-flex-direction: column!important;
  flex-direction: column!important;
  display: -webkit-box!important;
  display: -ms-flexbox!important;
  display: flex!important;
  -webkit-box-pack: center!important;
  -ms-flex-pack: center!important;
  justify-content: center!important;
  -webkit-box-align: center!important;
  -ms-flex-align: center!important;
  align-items: center!important;
  overflow: hidden;
}
.btn {
  display: inline-block;
  font-size: 18px;
  line-height: 24px;
  color: #fff;
  padding: 12px 32px;
  border: 2px solid #C3A165;
  text-transform: uppercase;
  font-weight: 500;
  background-color: transparent;
  border-radius: 0;
  text-decoration: none;
  transition: 0.3s all;
  -webkit-transition: 0.3s all;
  -moz-transition: 0.3s all;
  -ms-transition: 0.3s all;
}
.btn:hover {
  background-color: #C3A165;
  color: #fff;
  border-color: #C3A165;
}
.btn:before {
  content: '';
  height: 1px;
  background: linear-gradient(to right,#C3A165 30%,transparent 30% 70%,#C3A165 70% 100%);
  width: 100%;
  position: absolute;
  left: 0px;
  top: 25px;
}
.border {
  position: relative;
  width: 100%;
}
<section class="btn-action">
  <div class="border">
    <a href="#" class="btn primary">Get Started</a>
  </div>
</section>

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