// // Forms // -------------------------------------------------- // Normalize non-controls // // Restyle and baseline non-control form elements. fieldset { padding: 0; margin: 0; border: 0; // Chrome and Firefox set a `min-width: min-content;` on fieldsets, // so we reset that to ensure it behaves more like a standard block element. // See https://github.com/twbs/bootstrap/issues/12359. min-width: 0; } legend { display: block; width: 100%; padding: 0; margin-bottom: @line-height-computed; font-size: (@font-size-base * 1.5); line-height: inherit; color: @legend-color; border: 0; border-bottom: 1px solid @legend-border-color; } label { display: inline-block; max-width: 100%; // Force IE8 to wrap long content (see https://github.com/twbs/bootstrap/issues/13141) margin-bottom: 5px; font-weight: bold; } // Normalize form controls // // While most of our form styles require extra classes, some basic normalization // is required to ensure optimum display with or without those classes to better // address browser inconsistencies. // Override content-box in Normalize (* isn't specific enough) input[type="search"] { .box-sizing(border-box); } // Position radios and checkboxes better input[type="radio"], input[type="checkbox"] { margin: 4px 0 0; margin-top: 1px \9; // IE8-9 line-height: normal; } // Set the height of file controls to match text inputs input[type="file"] { display: block; } // Make range inputs behave like textual form controls input[type="range"] { display: block; width: 100%; } // Make multiple select elements height not fixed select[multiple], select[size] { height: auto; } // Focus for file, radio, and checkbox input[type="file"]:focus, input[type="radio"]:focus, input[type="checkbox"]:focus { .tab-focus(); } // Adjust output element output { display: block; padding-top: (@padding-base-vertical + 1); font-size: @font-size-base; line-height: @line-height-base; color: @input-color; } // Common form controls // // Shared size and type resets for form controls. Apply `.form-control` to any // of the following form controls: // // select // textarea // input[type="text"] // input[type="password"] // input[type="datetime"] // input[type="datetime-local"] // input[type="date"] // input[type="month"] // input[type="time"] // input[type="week"] // input[type="number"] // input[type="email"] // input[type="url"] // input[type="search"] // input[type="tel"] // input[type="color"] .form-control { display: block; width: 100%; height: @input-height-base; // Make inputs at least the height of their button counterpart (base line-height + padding + border) padding: @padding-base-vertical @padding-base-horizontal; font-size: @font-size-base; line-height: @line-height-base; color: @input-color; background-color: @input-bg; background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214 border: 1px solid @input-border; border-radius: @input-border-radius; .box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); .transition(~"border-color ease-in-out .15s, box-shadow ease-in-out .15s"); // Customize the `:focus` state to imitate native WebKit styles. .form-control-focus(); // Placeholder .placeholder(); // Disabled and read-only inputs // // HTML5 says that controls under a fieldset > legend:first-child won't be // disabled if the fieldset is disabled. Due to implementation difficulty, we // don't honor that edge case; we style them as disabled anyway. &[disabled], &[readonly], fieldset[disabled] & { cursor: not-allowed; background-color: @input-bg-disabled; opacity: 1; // iOS fix for unreadable disabled content } // Reset height for `textarea`s textarea& { height: auto; } } // Search inputs in iOS // // This overrides the extra rounded corners on search inputs in iOS so that our // `.form-control` class can properly style them. Note that this cannot simply // be added to `.form-control` as it's not specific enough. For details, see // https://github.com/twbs/bootstrap/issues/11586. input[type="search"] { -webkit-appearance: none; } // Special styles for iOS temporal inputs // // In Mobile Safari, setting `display: block` on temporal inputs causes the // text within the input to become vertically misaligned. // As a workaround, we set a pixel line-height that matches the // given height of the input. Since this fucks up everything else, we have to // appropriately reset it for Internet Explorer and the size variations. input[type="date"], input[type="time"], input[type="datetime-local"], input[type="month"] { line-height: @input-height-base; // IE8+ misaligns the text within date inputs, so we reset line-height: @line-height-base ~"\0"; &.input-sm { line-height: @input-height-small; } &.input-lg { line-height: @input-height-large; } } // Form groups // // Designed to help with the organization and spacing of vertical forms. For // horizontal forms, use the predefined grid classes. .form-group { margin-bottom: 15px; } // Checkboxes and radios // // Indent the labels to position radios/checkboxes as hanging controls. .radio, .checkbox { position: relative; display: block; min-height: @line-height-computed; // clear the floating input if there is no label text margin-top: 10px; margin-bottom: 10px; label { padding-left: 20px; margin-bottom: 0; font-weight: normal; cursor: pointer; } } .radio input[type="radio"], .radio-inline input[type="radio"], .checkbox input[type="checkbox"], .checkbox-inline input[type="checkbox"] { position: absolute; margin-left: -20px; margin-top: 4px \9; } .radio + .radio, .checkbox + .checkbox { margin-top: -5px; // Move up sibling radios or checkboxes for tighter spacing } // Radios and checkboxes on same line .radio-inline, .checkbox-inline { display: inline-block; padding-left: 20px; margin-bottom: 0; vertical-align: middle; font-weight: normal; cursor: pointer; } .radio-inline + .radio-inline, .checkbox-inline + .checkbox-inline { margin-top: 0; margin-left: 10px; // space out consecutive inline controls } // Apply same disabled cursor tweak as for inputs // Some special care is needed because