变换：没有边界之前

Question

是否有可能在不改变边框厚度的情况下缩放伪元素？

盒子的宽度和高度应该增加8px。使用缩放选项，它始终可以转换边框的粗细。但它应该在悬停相同。它的宽度和高度应该只增加8px。但它只是输入字段的伪元素，所以我不能使用填充或边距。

继承我的代码

<div class="wrapper">
  <form id="commentForm" action="">
      <div class="form-holder">
          <input class="form-holder__input ea-input" type="text" id="name" name="name" required />
          <label class="form-holder__label">Email-Adress</label>
      </div>
      <div class="form-holder">
          <input class="form-holder__input ea-input" type="text" id="name" name="name" required />
          <label class="form-holder__label">Name*</label>
      </div>
  </form>
</div>

.selecty-select {
  width: 100%;
  display: block;
  border: none;
  border-bottom: 1px solid #d9d6d4;
  background: transparent;
  height: 36px;
  line-height: 36px;
  text-align: left;
  font-size: 16px;
  color: #1b1919;
  border-radius: 0;
  position: relative;
  outline: 0 none;
}

.selecty-select[disabled] {
  cursor: not-allowed;
  color: #8d8480;
  border-bottom: 1px dashed #d9d6d4;
}

.selecty-arrow {
  position: absolute;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px dashed #8d8480;
}

.selecty {
  width: 100%;
  position: relative;
  font-size: 20px;
  color: #1b1919;
}

.selecty.disabled .selecty-selected {
  border-bottom: 1px dashed #d9d6d4;
  cursor: not-allowed;
  color: #8d8480;
}

.selecty .selecty-selected {
  display: block;
  border: none;
  width: 100%;
  cursor: pointer;
  background: none;
  outline: none !important;
  height: 60px;
  line-height: 64px;
  text-align: left;
  border-radius: 3px;
  color: #1b1919;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-left: 24px;
  white-space: nowrap;
}

.selecty .selecty-selected:after {
  content: "";
  display: inline-block;
  position: absolute;
  top: 40%;
  width: 20px;
  height: 20px;
  background: url(../img/dropdown.svg);
  margin-top: -2px;
  right: 24px;
}

.selecty .selecty-selected:hover, .selecty .selecty-selected:active, .selecty .selecty-selected:focus {
  text-decoration: none;
  background: none;
}

.selecty .selecty-options {
  position: absolute;
  top: -2px;
  left: -1%;
  background-color: #fff;
  border: 3px solid #161616;
  border-radius: 3px;
  margin: 0;
  max-height: 200px;
  width: 102%;
  overflow-y: auto;
  z-index: 999;
  -webkit-transform: scaleY(0);
  -ms-transform: scaleY(0);
  -o-transform: scaleY(0);
  transform: scaleY(0);
  -webkit-transition: opacity 0.1s cubic-bezier(.5,.25,.015,1), -webkit-transform 0.1s cubic-bezier(.5,.25,.015,1);
  transition: opacity 0.1s cubic-bezier(.5,.25,.015,1), -webkit-transform 0.1s cubic-bezier(.5,.25,.015,1);
  -o-transition: opacity 0.1s cubic-bezier(.5,.25,.015,1), -o-transform 0.1s cubic-bezier(.5,.25,.015,1);
  transition: transform 0.1s cubic-bezier(.5,.25,.015,1), opacity 0.1s cubic-bezier(.5,.25,.015,1);
  transition: transform 0.1s cubic-bezier(.5,.25,.015,1), opacity 0.1s cubic-beziercubic-bezier(.5,.25,.015,1), -webkit-transform 0.1s cubic-bezier(.5,.25,.015,1), -o-transform 0.1s cubic-bezier(.5,.25,.015,1);
  -webkit-transform-origin: top left;
  -ms-transform-origin: top left;
  -o-transform-origin: top left;
  transform-origin: top left;
  visibility: hidden;
}

.selecty .selecty-options.active {
  visibility: visible;
  -webkit-transform: scale(1);
  -ms-transform: scale(1);
  -o-transform: scale(1);
  transform: scale(1);
  transform-origin: top;
}

.selecty .selecty-options li {
    cursor: pointer;
    text-align: left;
    margin: 0 24px;
    list-style: none;
    height: 48px;
    line-height: 48px;
    border-bottom: 2px solid lightgrey;
    position: relative;
    transition: all 200ms;
}

.selecty .selecty-options li:last-child {
  border-bottom: 0px;
}

.selecty .selecty-options li:hover, .selecty .selecty-options li.active {
  padding-left: 8px;
  transition: all 200ms;
}

.selecty .selecty-options li > span > label {
  top: 1px;
  left: 3px;
  height: 18px;
}

.selecty .selecty-options li.selected:after {
  content: "";
  display: inline-block;
  position: absolute;
  top: 40%;
  width: 20px;
  height: 20px;
  background: url(../img/checkmark.svg);
  margin-top: -2px;
  right: 0;
}

.selecty .selecty-options li.disabled {
  color: #8d8480;
  cursor: default;
}

.selecty .selecty-options li.disabled:hover {
  background: none;
}

.selecty .selecty-options li.optgroup {
  cursor: default;
  color: #8d8480;
  height: 32px;
  line-height: 32px;
}

.selecty .selecty-options li.optgroup:hover {
  background: none;
}

.selecty .selecty-options li.optgroup-option {
  padding-left: 40px;
}

.wrapper {
    width: 50%;
    margin: 0 auto;
    text-align: center;
}

* {
    margin: 0;
    padding: 0;
    font-family: "seravek-regular",Helvetica,Arial,sans-serif;
}

form {
    display: block;
    width: 400px;
    margin: auto;
    padding-top: 50px;
}

.form-holder {
    position: relative;
    margin: 16px 0 22px;
}

.form-holder__input {
    display: block;
    width: 90%;
    height: 42px;
    line-height: 42px;
    border: 0;
    transition: 280ms;
    border-radius: 3px;
    font-size: 16px;
    color: #161616;
    padding-left: 7px;
    background-color: transparent;
    padding: 18px 0px 0px 24px;
}

.form-holder__label {
    position: absolute;
    top: calc(50px/*input-height*/
      - 18px/*font-size*/
      - 12px/*line-height tweak*/ );
    );
    transition: 280ms;
    opacity: .5;
    pointer-events: none;
    font-size: 18px;
    left:24px;
    transform-origin: left;
}

.form-holder__input:focus {
    outline: 0;
}

.form-holder__input:valid {
    border-color: #161616;
    color: #161616;
}

.form-holder__input:invalid:focus {
    border-color: #FF6969;
}

.form-holder__input:focus ~ .form-holder__label,
.form-holder__input:valid ~ .form-holder__label {
    top: 10px;
    opacity: 1;
    transform: scale(.75);
    color: #a3a3a3;
}

.form-holder:before, .selecty:before {
    content: '';
    position: absolute;
    border: solid 2px #161616;
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 3px;
    z-index: -1;
    transition: 280ms ease-in-out;

}

.form-holder:hover:before, .selecty:hover:before{
    transform: scale(1.02);
    transition: all 50ms ease-in-out;
    border: solid 2px #161616;
}
.form-holder.focussed:before, .selecty.focussed:before {
    transform: scale(1.02);
    transition: all 50ms ease-in-out;
    border: solid 3px #161616;
}

.error{
  border: solid 2px red;
}


/* Change Autocomplete styles in Chrome*/
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus
input:-webkit-autofill,
textarea:-webkit-autofill,
textarea:-webkit-autofill:hover
textarea:-webkit-autofill:focus,
select:-webkit-autofill,
select:-webkit-autofill:hover,
select:-webkit-autofill:focus {
  -webkit-text-fill-color: #161616;
  -webkit-box-shadow: 0 0 0px 1000px transparent inset;
  transition: background-color 5000s ease-in-out 0s;
}

.ea-btn{
  padding: 20px 40px;
  background: #FF1E3C;
  color: #000;
  text-decoration: none;
  transition: padding .1s cubic-bezier(.5,.25,.015,1),-webkit-transform .1s cubic-bezier(.5,.25,.015,1);
  border-radius: 3px;
  font-size: 20px;
  line-height: 60px;
  min-width: 136px;
}

.ea-btn:hover{
  padding: 22px 42px;
}
.button{
  margin-top: 40px;
}

谢谢！

Answer 1

您是否尝试在悬停时明确将边框设置为正常尺寸的1 / 8t？所以，如果1px通常会变成

border: 0.125px