div .post-rating p a {
    text-align: center;
    outline: 1px solid transparent;
    font-weight: 700;
    background: url(https://upforme.ru/uploads/0010/54/6f/3004/255596.png) no-repeat center;
     background-size:36px auto;
     position:relative;
    z-index:100;
    width: 36px;
    height: 36px;
    text-align:center;
    font-size: 12px !important;
    display: inline-block;
    vertical-align: middle;
    line-height: 34px;
    letter-spacing: -.1px;
}
.noNull:before{content: "+";
    display: inline-block;
    margin-left: -1px;
    font-size: 9px;
    letter-spacing: 0!important;
}
.punbb .post-rating p {
   padding: 0 !important;
}