blog/src/styles/_buttons.scss

@import 'variables';
@import 'mixins';

.btn,
a.btn {
    text-align: center;
    display: block;
    margin-bottom: 0;
    vertical-align: middle;
    touch-action: manipulation;
    cursor: pointer;
    background-image: none; // Reset unusual Firefox-on-Android default style
    white-space: nowrap;
    user-select: none;
    transition: .2s ease-in-out;

    // Default Button
    @include button-size(
        $padding-base-vertical,
        $padding-base-horizontal,
        $font-size-small,
        $line-height,
        $border-radius
    );

    background-color: rgba(255, 255, 255, .1);
    border: 1px solid rgba(94, 131, 162, .3);
    border-bottom-color: rgba(94, 131, 162, .4);
    font-family: $font-family-headings;
    font-weight: $font-weight-headings;
    color: $brand-grey;
    text-transform: uppercase;
    box-shadow: 0 1px 3px rgba($brand-grey-light, .1),
        inset 0 1px 0 rgba(255, 255, 255, .7);

    @media (min-width: $screen-sm) {
        max-width: 20rem;
    }

    &:hover,
    &:focus {
        outline: 0;
        background-color: rgba(255, 255, 255, .5);
    }

    &:active {
        color: $brand-grey;
        border-color: rgba(94, 131, 162, .3);
        background-color: transparent;
        box-shadow: 0 1px 0 #fff;
        transition: none;
        outline: 0;
    }

    &:focus {
        outline: 0;
    }

    // Disabled State
    &.disabled,
    &[disabled],
    fieldset[disabled] & {
        cursor: not-allowed;
        pointer-events: none;
        opacity: .6;
        box-shadow: none;
    }

    // grid buttons
    &.col2,
    &.col3 {
        margin-bottom: $spacer / 2;

        @media (min-width: $screen-sm) {
            margin-bottom: 0;
        }
    }

    span {
        font-size: .9rem;
        color: rgba(19, 56, 50, .6);
        margin-left: .3em;
    }
}

button.link {
    color: $link-color;

    &:hover,
    &:focus {
        outline: 0;
        color: lighten($link-color, 10%);
    }

    &:active {
        transition: none;
        color: darken($link-color, 10%);
    }
}

// Primary Button
.btn-primary,
a.btn-primary {
    @extend .btn;

    color: darken($link-color, 50%);
    text-shadow: 0 1px 0 rgba(255, 255, 255, .3);
    background: lighten($link-color, 15%);
    border-color: $link-color;
    box-shadow: 0 1px 3px rgba($brand-grey-light, .4),
        inset 0 1px 0 rgba(255, 255, 255, .4);

    &:hover,
    &:focus {
        color: darken($link-color, 50%);
        background-color: lighten($link-color, 25%);
        text-shadow: 0 1px 0 rgba(255, 255, 255, .3);
    }

    &:active {
        color: darken($link-color, 50%);
        border-color: darken($link-color, 10%);
        background-color: lighten($link-color, 15%);
    }
}

.btn-block {
    display: block;
}

// Close button
/////////////////////////////////////

.close {
    text-align: center;
    display: block;
    color: lighten($brand-grey-light, 50%);
    line-height: 1;
    font-size: $font-size-large;
    padding: 3px;
    cursor: pointer;

    &button {
        cursor: pointer;
        background: transparent;
        border: 0;
        -webkit-appearance: none;
    }

    &:hover,
    &:focus {
        color: lighten($brand-grey-light, 20%);
        cursor: pointer;
        outline: 0;
    }

    &:active {
        background: none;
        color: $brand-grey-light;
        transition: none;
    }
}

// some helper classes for old content
/////////////////////////////////////

.content-download {
    text-align: center;
    display: block;
    margin-top: $spacer;
    margin-bottom: $spacer;

    @media (min-width: $screen-xs) {
        display: flex;
    }

    a {
        @extend .btn;

        margin-bottom: $spacer / 2;

        @media (min-width: $screen-xs) {
            flex: 1;
            margin-left: $spacer / 2;
            margin-bottom: 0;
        }

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

        &:only-child {
            margin-left: auto;
            margin-right: auto;
        }

        span {
            font-size: $font-size-mini;
            color: $text-color-light;
        }
    }

    .icon-download,
    .icon-heart,
    .icon-wordpress,
    .icon-github,
    .icon-eye {
        &::before {
            content: '';
            width: 18px;
            height: 18px;
            display: inline-block;
            margin-right: 5px;
            margin-bottom: -3px;
            opacity: .35;
            background: url('../images/arrow-with-circle-down.svg') no-repeat
                left center;
        }
    }

    .icon-heart::before {
        background-image: url('../images/heart.svg');
    }

    .icon-github::before {
        background-image: url('../images/github.svg');
    }

    .icon-eye::before {
        background-image: url('../images/eye.svg');
    }
}