CSS构建的材质化元素：带边框的文本输入框（text input）

material design element with pure css, outlined text input，用户输入时，默认填充文本会躲避到边框位置（占位符上浮）。

css, input, material design

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HTML
CSS
JavaScript
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JavaScript

编译

CSS

.pure-material-textfield-outlined {
    --pure-material-safari-helper1: rgb(var(--pure-material-primary-rgb, 33, 150, 243));
    position: relative;
    display: inline-block;
    padding-top: 6px;
    font-family: var(--pure-material-font, "Roboto", "Segoe UI", BlinkMacSystemFont, system-ui, -apple-system);
    font-size: 16px;
    line-height: 1.5;
    overflow: hidden;
}
/* Input, Textarea */

.pure-material-textfield-outlined > input,
.pure-material-textfield-outlined > textarea {
    box-sizing: border-box;
    margin: 0;
    border: solid 1px;
    /* Safari */
    
    border-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.6);
    border-top-color: transparent;
    border-radius: 4px;
    padding: 15px 13px 15px;
    width: 100%;
    height: inherit;
    color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.87);
    background-color: transparent;
    box-shadow: none;
    /* Firefox */
    
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    caret-color: rgb(var(--pure-material-primary-rgb, 33, 150, 243));
    transition: border 0.2s, box-shadow 0.2s;
}
/* Span */

.pure-material-textfield-outlined > input + span,
.pure-material-textfield-outlined > textarea + span {
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    border-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.6);
    width: 100%;
    max-height: 100%;
    color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.6);
    font-size: 75%;
    line-height: 15px;
    cursor: text;
    transition: color 0.2s, font-size 0.2s, line-height 0.2s;
}
/* Corners */

.pure-material-textfield-outlined > input + span::before,
.pure-material-textfield-outlined > input + span::after,
.pure-material-textfield-outlined > textarea + span::before,
.pure-material-textfield-outlined > textarea + span::after {
    content: "";
    display: block;
    box-sizing: border-box;
    margin-top: 6px;
    border-top: solid 1px;
    border-top-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.6);
    min-width: 10px;
    height: 8px;
    pointer-events: none;
    box-shadow: inset 0 1px transparent;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.pure-material-textfield-outlined > input + span::before,
.pure-material-textfield-outlined > textarea + span::before {
    margin-right: 4px;
    border-left: solid 1px transparent;
    border-radius: 4px 0;
}
.pure-material-textfield-outlined > input + span::after,
.pure-material-textfield-outlined > textarea + span::after {
    flex-grow: 1;
    margin-left: 4px;
    border-right: solid 1px transparent;
    border-radius: 0 4px;
}
/* Hover */

.pure-material-textfield-outlined:hover > input,
.pure-material-textfield-outlined:hover > textarea {
    border-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.87);
    border-top-color: transparent;
}
.pure-material-textfield-outlined:hover > input + span::before,
.pure-material-textfield-outlined:hover > textarea + span::before,
.pure-material-textfield-outlined:hover > input + span::after,
.pure-material-textfield-outlined:hover > textarea + span::after {
    border-top-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.87);
}
.pure-material-textfield-outlined:hover > input:not(:focus):placeholder-shown,
.pure-material-textfield-outlined:hover > textarea:not(:focus):placeholder-shown {
    border-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.87);
}
/* Placeholder-shown */

.pure-material-textfield-outlined > input:not(:focus):placeholder-shown,
.pure-material-textfield-outlined > textarea:not(:focus):placeholder-shown {
    border-top-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.6);
}
.pure-material-textfield-outlined > input:not(:focus):placeholder-shown + span,
.pure-material-textfield-outlined > textarea:not(:focus):placeholder-shown + span {
    font-size: inherit;
    line-height: 68px;
}
.pure-material-textfield-outlined > input:not(:focus):placeholder-shown + span::before,
.pure-material-textfield-outlined > textarea:not(:focus):placeholder-shown + span::before,
.pure-material-textfield-outlined > input:not(:focus):placeholder-shown + span::after,
.pure-material-textfield-outlined > textarea:not(:focus):placeholder-shown + span::after {
    border-top-color: transparent;
}
/* Focus */

.pure-material-textfield-outlined > input:focus,
.pure-material-textfield-outlined > textarea:focus {
    border-color: rgb(var(--pure-material-primary-rgb, 33, 150, 243));
    border-top-color: transparent;
    box-shadow: inset 1px 0 var(--pure-material-safari-helper1), inset -1px 0 var(--pure-material-safari-helper1), inset 0 -1px var(--pure-material-safari-helper1);
    outline: none;
}
.pure-material-textfield-outlined > input:focus + span,
.pure-material-textfield-outlined > textarea:focus + span {
    color: rgb(var(--pure-material-primary-rgb, 33, 150, 243));
}
.pure-material-textfield-outlined > input:focus + span::before,
.pure-material-textfield-outlined > input:focus + span::after,
.pure-material-textfield-outlined > textarea:focus + span::before,
.pure-material-textfield-outlined > textarea:focus + span::after {
    border-top-color: var(--pure-material-safari-helper1) !important;
    box-shadow: inset 0 1px var(--pure-material-safari-helper1);
}
/* Disabled */

.pure-material-textfield-outlined > input:disabled,
.pure-material-textfield-outlined > input:disabled + span,
.pure-material-textfield-outlined > textarea:disabled,
.pure-material-textfield-outlined > textarea:disabled + span {
    border-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.38) !important;
    border-top-color: transparent !important;
    color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.38);
    pointer-events: none;
}
.pure-material-textfield-outlined > input:disabled + span::before,
.pure-material-textfield-outlined > input:disabled + span::after,
.pure-material-textfield-outlined > textarea:disabled + span::before,
.pure-material-textfield-outlined > textarea:disabled + span::after {
    border-top-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.38) !important;
}
.pure-material-textfield-outlined > input:disabled:placeholder-shown,
.pure-material-textfield-outlined > input:disabled:placeholder-shown + span,
.pure-material-textfield-outlined > textarea:disabled:placeholder-shown,
.pure-material-textfield-outlined > textarea:disabled:placeholder-shown + span {
    border-top-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.38) !important;
}
.pure-material-textfield-outlined > input:disabled:placeholder-shown + span::before,
.pure-material-textfield-outlined > input:disabled:placeholder-shown + span::after,
.pure-material-textfield-outlined > textarea:disabled:placeholder-shown + span::before,
.pure-material-textfield-outlined > textarea:disabled:placeholder-shown + span::after {
    border-top-color: transparent !important;
}
/* Faster transition in Safari for less noticable fractional font-size issue */

@media not all and (min-resolution: .001dpcm) {
    @supports (-webkit-appearance: none) {
        .pure-material-textfield-outlined > input,
        .pure-material-textfield-outlined > input + span,
        .pure-material-textfield-outlined > textarea,
        .pure-material-textfield-outlined > textarea + span,
        .pure-material-textfield-outlined > input + span::before,
        .pure-material-textfield-outlined > input + span::after,
        .pure-material-textfield-outlined > textarea + span::before,
        .pure-material-textfield-outlined > textarea + span::after {
            transition-duration: 0.1s;
        }
    }
}

HTML

material design element with pure css, outlined text input，用户输入时，默认填充文本会躲避到边框位置（占位符上浮）。

css, input, material design

编辑器支持Emmet

快捷键

material design element with pure css, outlined text input，用户输入时，默认填充文本会躲避到边框位置（占位符上浮）。

css, input, material design

使用CSS变量、弹性盒（flexbox）和路径裁剪（clip-path）构建的响应式信息图

使用CSS3 placeholder-shown过滤器（选择器）实现的浮动输入框标签

编辑器支持Emmet

快捷键

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