Css social icons

.social_icon {
    display:inline-block;
    vertical-align:top;
    margin-top:15px;
}
.facebook_32x32{
    background: url("../images/social.png");
    background-position: 0;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.twitter_32x32{
    background: url("../images/social.png");
    background-position: -37px;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.linkedin_32x32{
    background: url("../images/social.png");
    background-position: -75px;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.pinterest_32x32{
    background: url("../images/social.png");
    background-position: -112px;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.instagram_32x32{
    background: url("../images/social.png");
    background-position: -150px;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.tumblr_32x32{
    background: url("../images/social.png");
    background-position: -187px;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.youtube_32x32{
    background: url("../images/social.png");
    background-position: -224px;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.google_32x32{
    background: url("../images/social.png");
    background-position: -262px;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.facebook_32x32:hover{
    background: url("../images/social_hover.png");
    background-position: 0;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.twitter_32x32:hover{
    background: url("../images/social_hover.png");
    background-position: -37px;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.linkedin_32x32:hover{
    background: url("../images/social_hover.png");
    background-position: -75px;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.pinterest_32x32:hover{
    background: url("../images/social_hover.png");
    background-position: -112px;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.instagram_32x32:hover{
    background: url("../images/social_hover.png");
    background-position: -150px;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.tumblr_32x32:hover{
    background: url("../images/social_hover.png");
    background-position: -187px;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.youtube_32x32:hover{
    background: url("../images/social_hover.png");
    background-position: -224px;
    background-size: 295px;
    width: 32px;
    height: 32px;
}
.google_32x32:hover{
    background: url("../images/social_hover.png");
    background-position: -262px;
    background-size: 295px;
    width: 32px;
    height: 32px;
}