.buttonDefault {
    display: inline-block;
    padding: 0.1px 20px;
    margin-bottom: 0;
    font-size: 12px;
    font-weight: normal;
    line-height: 1.42857143;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-image: none;
    border: 1px solid transparent;
    border-radius: 5px;
    padding: 0.1px 10px !important;
    color: #000;
    background-color: #bbb;
    border-color: #aaa;
    line-height: 23px;
}

/* This is copied from https://github.com/blueimp/jQuery-File-Upload/blob/master/css/jquery.fileupload.css */
.buttonDefaultFileInputLike {
    position: relative;
    overflow: hidden;
}

/*Also*/
.buttonDefaultFileInputLike > input {
    position: absolute;
    top: 0;
    right: 0;
    margin: 0;
    opacity: 0;
    -ms-filter: 'alpha(opacity=0)';
    filter: 'alpha(opacity=0)';
    font-size: 200px;
    direction: ltr;
    cursor: pointer;
}