frontend/src/components/FloatingLabel.js


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import React from 'react';
import styled, { css } from 'styled-components'

const StyledLabel = styled.label`
    position: absolute;
    top: 0.5em;
    font-weight: 700;
    font-size: 1em;
    opacity: 0;
    transition: all 0.5s cubic-bezier(.25,.8,.25,1);

    ${props =>
        (props.value.length > 0) &&
        css`
        top: -0.1em;
        opacity: 1
    `};
`

class FloatingLabel extends React.Component {
    render() {
        return (
            <StyledLabel 
                label={this.props.label}
                value={this.props.value}
                className={this.props.id}
                htmlFor={this.props.id}>
                    {this.props.label}
            </StyledLabel>
        );
    }
}

export default FloatingLabel