Tag: bootstrap form

Bootstrap Form: Textarea with progress bar and floating labels

Full code can be found here: GIT HUB LINK

HTML

	
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		

		
		
		
		
		
		
		
		
	
	
		

			

				

					
Bootstrap Form
					

						

							
							Name
						
						

							We'll never share your email with anyone else.
							
							Email address
						
						

							
							Remarks
						
						

							

						
						

						Submit
					
				
			
		
		
		
	

CSS

h2.title {
margin: 1em 0;
border-bottom: 3px double #000;
padding-bottom: 6px;
text-align: center;
}

/**
 * make the field a flex-container
 * reverse the order so label is on top
 */ 
.field {
display: flex;
flex-flow: column-reverse;
margin-bottom: 0.25em;
}

/**
 * add a transition to the label, input and textarea
 */
label, input, textarea {
transition: all 0.2s;
touch-action: manipulation;
}

input, textarea {
font-size: 1em;
border: 0;
border-bottom: 1px solid #ccc;
font-family: inherit;
-webkit-appearance: none;
border-radius: 0;
padding: 0;
cursor: text;
height: 30px;
}
input:focus, textarea:focus {
outline: 0;
border-bottom: 1px solid #666;
}
label {
text-transform: uppercase;
letter-spacing: 0.05em;
}

/**
 * translate down and scale the label up, to cover the placeholder area
 */
input:placeholder-shown + label, textarea:placeholder-shown + label {
font-size: 14px;
cursor: text;
max-width: 66.66%;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
transform-origin: left bottom;
transform: translate(0.75rem, 2.5rem) scale(1.25);
}

/**
 * by default, hiding placeholder, as we want to show Label inside placehoder area
 * and adding transition and setting to inherit. so that when it is focused, we can see transition
 */
.form-control::-webkit-input-placeholder {
opacity: 0;
transition: inherit;
}
.form-control::-moz-placeholder {
opacity: 0;
transition: inherit;
}
.form-control:-ms-input-placeholder {
opacity: 0;
transition: inherit;
}
.form-control::-ms-input-placeholder {
opacity: 0;
transition: inherit;
}
.form-control::placeholder {
opacity: 0;
transition: inherit;
}

/**
 * show the placeholder when the element (input or textarea) is focused
 */
input:focus::-webkit-input-placeholder, textarea:focus::-webkit-input-placeholder {
opacity: 1;
}
input:focus::-moz-placeholder, textarea:focus::-moz-placeholder {
opacity: 1;
}
input:focus:-ms-input-placeholder, textarea:focus:-ms-input-placeholder {
opacity: 1;
}
input:focus::-ms-input-placeholder, textarea:focus::-ms-input-placeholder {
opacity: 1;
}
input:focus::placeholder, textarea:focus::placeholder {
opacity: 1;
}

/**
 * when the element (input or textarea) is focused, remove the label transform.
 */
input:not(:placeholder-shown) + label, input:focus + label, textarea:not(:placeholder-shown) + label, textarea:focus + label {
font-size: 14px;
transform: translate(0, 0) scale(1);
cursor: pointer;
}

NOTE: Bootstrap v4.1 is used for this form.

Feel free to download, edit/modify and use this code snippet.

Bootstrap version 4.1 doc can be found from here: https://getbootstrap.com/docs/4.1/getting-started/introduction/