yaptc/lib/pure/buttons-core.css

/*!
Pure v0.6.0
Copyright 2014 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
https://github.com/yahoo/pure/blob/master/LICENSE.md
*/
.pure-button {
    /* Structure */
    display: inline-block;
    zoom: 1;
    line-height: normal;
    white-space: nowrap;
    vertical-align: middle;
    text-align: center;
    cursor: pointer;
    -webkit-user-drag: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

/* Firefox: Get rid of the inner focus border */
.pure-button::-moz-focus-inner {
    padding: 0;
    border: 0;
}