@progress/kendo-ui/css/web/Default/checkbox/_layout.less

This package is part of the [Kendo UI for jQuery](http://www.telerik.com/kendo-ui) suite.

// Container box
.k-checkbox {
    margin: 0;
    padding: 0;
    width: @checkbox-size;
    height: @checkbox-size;
    line-height: initial;
    border-width: @checkbox-border-width;
    border-style: solid;
    outline: 0;
    box-sizing: border-box;
    display: inline-block;
    vertical-align: middle;
    position: relative;
    -webkit-appearance: none;
}

// Checkmark
.k-checkbox::before {
    content: "\e118";
    width: @checkbox-icon-size;
    height: @checkbox-icon-size;
    font-size: @checkbox-icon-size;
    font-family: "WebComponentsIcons", monospace;
    transform: scale(0) translate(-50%, -50%);
    overflow: hidden;
    position: absolute;
    top: 50%;
    left: 50%;
}


// Hover state
.k-checkbox:hover {
    cursor: pointer;
}


// Checked state
.k-checkbox:checked::before {
    transform: scale(1) translate(-50%, -50%);
}


// Indeterminate state
.k-checkbox:indeterminate::before,
.k-checkbox.k-state-indeterminate::before {
    content: "";
    width: (@checkbox-size / 2);
    height: (@checkbox-size / 2);
    background-color: currentColor;
    transform: scale(1) translate(-50%, -50%);
}


// Disabled state
.k-checkbox:disabled,
.k-checkbox:disabled + .k-checkbox-label {
    opacity: .6;
    filter: grayscale(.8);
    cursor: default;
}

.k-checkbox + .k-checkbox-label {
    display: inline;
}

// Checkbox label
.k-checkbox-label {
    margin: 0;
    padding: 0;
    line-height: @checkbox-line-height;
    display: inline-flex;
    align-items: flex-start;
    vertical-align: middle;
    position: relative;
    cursor: pointer;

    // Hide empty label
    &:empty {
        display: none;
    }

    // Keep it "visible" in jquery grid
    &.k-no-text {
        min-width: 1px;
    }

    .k-ripple {
        visibility: hidden !important;
    }
}
.k-checkbox + .k-checkbox-label,
.k-checkbox-label + .k-checkbox {
    margin-left: @icon-spacing;
}
.k-checkbox-label > .k-checkbox {
    margin-right: @icon-spacing;
    flex-shrink: 0;
}

.k-checkbox-list {
    margin: @checkbox-list-margin;
    padding: @checkbox-list-padding;
    list-style: none;

    .k-checkbox-item {
        margin-top: @checkbox-list-item-margin-top;

        &:first-child {
            margin-top: 0;
        }
    }
}

.k-list-horizontal {
    .k-checkbox-item {
        display: inline-block;
        margin: 0 @checkbox-list-horizontal-item-margin-x 0 0;

        &:last-child {
            margin-right: 0;
        }
    }
}


// RTL
.k-rtl,
[dir="rtl"] {
    .k-checkbox + .k-checkbox-label {
        margin-left: 0;
        margin-right: @icon-spacing;
    }
    .k-checkbox-label > .k-checkbox {
        margin-right: 0;
        margin-left: @icon-spacing;
    }

    .k-list-horizontal {
        .k-checkbox-item {
            margin-right: 0;
            margin-left: @checkbox-list-horizontal-item-margin-x;

            &:last-child {
                margin-left: 0;
            }
        }
    }
}




// IE / Edge hack
.k-checkbox::-ms-check {
    border-width: 0;
    border-color: inherit;
    border-radius: inherit;
    color: inherit;
    background-color: inherit;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    .k-checkbox::-ms-check {
        border-width: @checkbox-border-width;
    }
}