Web表單美化CSS框架Topcoat

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Topcoat同樣是一款簡潔的Web表單構建應用，和Semantic UI、BootMetro等CSS框架不同的是，Topcoat主要用於構建美化的Web表單，包括提交按鈕、輸入框、單選框/核取方塊、滑動杆、搜尋框等表單元素。

Topcoat的特點

• 小巧、簡單、易用
• 專注表單元素設計，每一個表單元素都非常精美
• 支援移動化，讓這些表單元素在移動端同樣有著不錯的效果

Topcoat相關元件例項

按鈕

以藍色按鈕為例，相關程式碼如下：

HTML

<button class="topcoat-button--large--cta" >Button</button>
<button class="topcoat-button--large--cta" disabled>Button</button>

CSS

.topcoat-button--large--cta {
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.688rem;
  padding: 0 0.875rem;
}

input[type="checkbox"] {
  position: absolute;
  overflow: hidden;
  padding: 0;
  border: 0;
  opacity: 0.001;
  z-index: 1;
  vertical-align: top;
  outline: none;
}

.checkbox {
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  background-clip: padding-box;
  position: relative;
  display: inline-block;
  vertical-align: top;
  cursor: default;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.checkbox__label {
  position: relative;
  display: inline-block;
  vertical-align: top;
  cursor: default;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.checkbox--disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

.checkbox:before,
.checkbox:after {
  content: '';
  position: absolute;
}

.checkbox:before {
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  background-clip: padding-box;
}

input[type="checkbox"] {
  position: absolute;
  overflow: hidden;
  padding: 0;
  border: 0;
  opacity: 0.001;
  z-index: 1;
  vertical-align: top;
  outline: none;
}

.checkbox,
.topcoat-checkbox__checkmark {
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  background-clip: padding-box;
  position: relative;
  display: inline-block;
  vertical-align: top;
  cursor: default;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.checkbox__label,
.topcoat-checkbox {
  position: relative;
  display: inline-block;
  vertical-align: top;
  cursor: default;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.checkbox--disabled,
input[type="checkbox"]:disabled + .topcoat-checkbox__checkmark {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

.checkbox:before,
.checkbox:after,
.topcoat-checkbox__checkmark:before,
.topcoat-checkbox__checkmark:after {
  content: '';
  position: absolute;
}

.checkbox:before,
.topcoat-checkbox__checkmark:before {
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  background-clip: padding-box;
}

單選框/核取方塊

以單選框為例，相關程式碼如下：

HTML

<!-- NO LABEL -->
<label class="topcoat-radio-button">
  <input type="radio" name="topcoat">
  <div class="topcoat-radio-button__checkmark"></div>
</label>
<br>
<br>
<!-- LEFT LABEL -->
<label class="topcoat-radio-button">
  Left label
  <input type="radio" name="topcoat">
  <div class="topcoat-radio-button__checkmark"></div>
</label>
<br>
<br>
<!-- RIGHT LABEL -->
<label class="topcoat-radio-button">
  <input type="radio" name="topcoat">
  <div class="topcoat-radio-button__checkmark"></div>
  Right label
</label>
<br>
<br>
<!-- DISABLED -->
<label class="topcoat-radio-button">
  <input type="radio" name="topcoat" Disabled>
  <div class="topcoat-radio-button__checkmark"></div>
  Disabled
</label>

CSS：

input[type="radio"] {
  height: 1.063rem;
  width: 1.063rem;
  margin-top: 0;
  margin-right: -1.063rem;
  margin-bottom: -1.063rem;
  margin-left: 0;
}

input[type="radio"]:checked + .topcoat-radio-button__checkmark:after {
  opacity: 1;
}

.topcoat-radio-button {
  color: #c6c8c8;
  line-height: 1.063rem;
}

.topcoat-radio-button__checkmark:before {
  width: 1.063rem;
  height: 1.063rem;
  background: #595b5b;
  border: 1px solid #333434;
  box-shadow: inset 0 1px #737373;
}

.topcoat-radio-button__checkmark {
  position: relative;
  width: 1.063rem;
  height: 1.063rem;
}

.topcoat-radio-button__checkmark:after {
  opacity: 0;
  width: 0.313rem;
  height: 0.313rem;
  background: #c6c8c8;
  border: 1px solid rgba(0,0,0,0.05);
  box-shadow: 0 1px rgba(255,255,255,0.1);
  -webkit-transform: none;
  -ms-transform: none;
  transform: none;
  top: 0.313rem;
  left: 0.313rem;
}

input[type="radio"]:focus + .topcoat-radio-button__checkmark:before {
  border: 1px solid #0036ff;
  box-shadow: inset 0 1px rgba(255,255,255,0.36), 0 0 0 2px #6fb5f1;
}

input[type="radio"]:active + .topcoat-radio-button__checkmark:before {
  border: 1px solid #333434;
  background-color: #3f4041;
  box-shadow: inset 0 1px rgba(0,0,0,0.05);
}

input[type="radio"]:disabled:active + .topcoat-radio-button__checkmark:before {
  border: 1px solid #333434;
  background: #595b5b;
  box-shadow: inset 0 1px #737373;
}

.range {
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  background: transparent;
  border: none;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  background-clip: padding-box;
  vertical-align: top;
  outline: none;
  -webkit-appearance: none;
}

.range__thumb {
  cursor: pointer;
}

.range__thumb--webkit {
  cursor: pointer;
  -webkit-appearance: none;
}

.range:disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

.range,
.topcoat-range {
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  background: transparent;
  border: none;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  background-clip: padding-box;
  vertical-align: top;
  outline: none;
  -webkit-appearance: none;
}

.range__thumb,
.topcoat-range::-moz-range-thumb {
  cursor: pointer;
}

.range__thumb--webkit,
.topcoat-range::-webkit-slider-thumb {
  cursor: pointer;
  -webkit-appearance: none;
}

.range:disabled,
.topcoat-range:disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

更多關於Topcoat的元件，大家可以前往其官方網站進行學習。

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