input.button-add {
    background-image: url(/images/buttons/add.png); /* 16px x 16px */
    background-color: transparent; /* make the button transparent */
    background-repeat: no-repeat;  /* make the background image appear only once */
    background-position: 0px 0px;  /* equivalent to 'top left' */
    border: none;           /* assuming we don't want any borders */
    cursor: pointer;        /* make the cursor like hovering over an <a> element */
    height: 16px;           /* make this the size of your image */
    padding-left: 16px;     /* make text start to the right of the image */
    vertical-align: middle; /* align the text vertically centered */
}

.row-offset-0 {
    margin-left: 1;
    margin-right: 1;
    padding-top: 0;
    padding-bottom: 0;
}
.row-offset-0 > * {
    padding-left: 1;
    padding-right: 1;
    padding-top: 0;
    padding-bottom: 0;
}
.row-no-padding {
  margin-left: 0;
  margin-right: 0;
  [class*="col-"] {
    padding-left: 0 ;
    padding-right: 0 ;
  }
}

.btn-file {
    position: relative;
    overflow: hidden;
}
.btn-file input[type=file] {
    position: absolute;
    top: 0;
    right: 0;
    min-width: 100%;
    min-height: 100%;
    font-size: 100px;
    text-align: right;
    filter: alpha(opacity=0);
    opacity: 0;
    outline: none;
    background: white;
    cursor: inherit;
    display: block;
}