我一直在使用Material Design Look创建一些输入字段。 遗憾的是,我无法使用互联网上常用的框架(例如Materialise),所以我需要自己开发它,我几乎创造了所有东西。虽然,没有结果的选择字段下拉列表,我无法做到。 目标是看起来像这个git的{strong>带箭头的简单选择 here
目前我在codepen
上做了什么您是否知道任何源代码或示例而不是仅使用CSS(scss)和JS
的getmdl-select
@import url("//maxcdn.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css");
@import url('//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap-theme.min.css');
$md-color-blue:#1074ac;
$md-color-black: rgba(0, 0, 0, 0.54);
/* ---- text field ----- */
.md-group{
position:relative;
margin: 35px 0;
// margin-bottom:45px;
.md-input__text{
background: transparent;
font-size:14px;
padding:5px 5px 2px 5px;
// display:block;
width:50%;
border:none;
border-bottom:1px solid #757575;
vertical-align: bottom;
}
.md-input__text:focus {
outline:none;
}
option:active,
option:hover, option:focus, {
background: rgba(0,0,0,.04);
}
}
/* LABEL */
.md-input__label {
color:rgba(0,0,0,.54);
font-size:18px;
font-weight:normal;
position:absolute;
pointer-events:none;
left:5px;
top:-20px;
transition:0.2s ease all;
-moz-transition:0.2s ease all;
-webkit-transition:0.2s ease all;
}
/* active state */
.md-input__text:focus ~ label, .md-input__text:valid ~ label {
top:-20px;
font-size:14px;
color:#5264AE;
}
/* BOTTOM BARS */
.md-input__bar {
position:relative;
display:block;
width:50%;
background-color: rgba(0,0,0,.42);
}
.md-input__bar:before, .md-input__bar:after {
content:'';
height:2px;
width:0;
bottom:1px;
position:absolute;
background:$md-color-blue;
transition:0.2s ease all;
-moz-transition:0.2s ease all;
-webkit-transition:0.2s ease all;
}
.md-input__bar:before {
left:50%;
}
.md-input__bar:after {
right:50%;
}
/* active state */
.md-input__text:focus ~ .md-input__bar:before, .md-input__text:focus ~ .md-input__bar:after {
width:50%;
}
/* HIGHLIGHTER */
.md-input__highlight {
position:absolute;
height:60%;
width:100px;
top:25%;
left:0;
pointer-events:none;
opacity:0.5;
}
/* active state */
.md-input__text:focus ~ .md-input__highlight {
-webkit-animation:inputHighlighter 0.3s ease;
-moz-animation:inputHighlighter 0.3s ease;
animation:inputHighlighter 0.3s ease;
}
/* ANIMATIONS */
@-webkit-keyframes inputHighlighter {
from { background:$md-color-blue; }
to { width:0; background:transparent; }
}
@-moz-keyframes inputHighlighter {
from { background:$md-color-blue; }
to { width:0; background:transparent; }
}
@keyframes inputHighlighter {
from { background:$md-color-blue; }
to { width:0; background:transparent; }
}
.md-btn__right{
position: absolute;
top: 1px;
right: 1px;
}
.md-autocomplete-clear{
display: none;
}
.md-input__text:focus ~ .md-autocomplete-clear {
display: block;
}

<div class="md-group">
<select class="md-input__text" required>
<option>Yes</option>
<option>No</option>
</select>
<span class="md-input__highlight"></span>
<span class="md-input__bar"></span>
<label class="md-input__label">Select</label>
</div>
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