Controls.scss

.bp-controls-wrapper {
    border: 0 none;
    bottom: 25px;
    left: 50%;
    margin: 0;
    padding: 0;
    position: absolute;
}

.bp-controls {
    background: fade-out($twos, .05);
    border-radius: 3px;
    display: table;
    left: -50%;
    opacity: 0;
    position: relative;
    table-layout: fixed;
    transition: opacity .5s;

    // Page num input CSS
    .bp-page-num {
        min-width: 48px;
        width: auto; // Let page num expand as needed

        span {
            display: inline;
            font-size: 14px;
        }
    }

    .bp-page-num-wrapper {
        background-color: #444;
        border-radius: 3px;
        margin: 5px;
        padding: 7px 5px;
    }

    /* stylelint-disable property-no-vendor-prefix */
    // Removes the spinner for number type inputs in Webkit browsers
    input::-webkit-outer-spin-button,
    input::-webkit-inner-spin-button {
        -webkit-appearance: none;
    }

    // Removes the spinner for number type inputs in Firefox
    input[type=number] {
        -moz-appearance: textfield;
    }

    /* stylelint-enable property-no-vendor-prefix */

    .bp-page-num-input {
        font-size: 14px;
        margin: 0 auto;
        position: absolute;
        text-align: center;
        visibility: hidden;
        width: 44px; // hard-coded to solve layout issues
    }

    &.show-page-number-input {
        .bp-page-num-wrapper {
            background-color: transparent;
            border: none;
            padding: 0;
        }

        .bp-page-num {
            opacity: 1;
        }

        .bp-current-page,
        .bp-page-num-divider,
        .bp-total-pages {
            display: none;
        }

        .bp-page-num-input {
            display: inline-block;
            position: static;
            visibility: visible;
        }
    }
}

.box-show-preview-controls .bp-controls {
    opacity: 1;
}

.bp-controls-cell {
    display: table-cell;
    margin: 0;
    padding: 0;
    touch-action: manipulation;
    vertical-align: middle;
}

.bp-controls-btn {
    background: transparent;
    border: 1px solid transparent;
    color: $white;
    cursor: pointer;
    display: block;
    height: 48px;
    margin: 0;
    opacity: .7;
    outline: 0;
    padding: 0;
    // disables non-standard gestures such as double-tap to zoom
    touch-action: manipulation;
    user-select: none;
    width: 48px;
    zoom: 1;

    &:hover,
    &:focus {
        opacity: 1;
    }

    // Custom focus
    &:focus {
        box-shadow: inset 0 0 0 1px fade-out($white, .5), 0 1px 2px fade-out($black, .9);
    }

    span {
        display: block;
        margin: 0 auto;
    }

    svg {
        vertical-align: middle;
    }

    &.disabled,
    &:disabled {
        cursor: default;
        opacity: .2;
        pointer-events: none;
    }
}

.bp-exit-fullscreen-icon {
    display: none;
}

.bp-is-fullscreen {
    .bp-enter-fullscreen-icon {
        display: none;
    }

    .bp-exit-fullscreen-icon {
        display: block;
    }
}