.sprite {
    background: url('../images/avatars.jpg') no-repeat;
    background-size: auto;
}

.avatar_1 {
    background-position: -496px -272px;
    width: 808px;
    height: 816px;
}

.avatar_2 {
    background-position: -1560px -272px;
    width: 808px;
    height: 816px;
}

.avatar_3 {
    background-position: -2632px -272px;
    width: 808px;
    height: 816px;
}

.avatar_4 {
    background-position: -3696px -272px;
    width: 813px;
    height: 816px;
}

.avatar_5 {
    background-position: -491px -1320px;
    width: 813px;
    height: 808px
}

.avatar_6 {
    background-position: -1560px -1320px;
    width: 808px;
    height: 808px;
}

.avatar_7 {
    background-position: -2632px -1320px;
    width: 808px;
    height: 808px;
}

.avatar_8 {
    background-position: -3696px -1320px;
    width: 808px;
    height: 808px;
}

.avatar_9 {
    background-position: -488px -2360px;
    width: 816px;
    height: 808px;
}

.avatar_10 {
    background-position: -1560px -2360px;
    width: 808px;
    height: 808px;
}

.avatar_11 {
    background-position: -2632px -2360px;
    width: 808px;
    height: 808px;
}

.avatar_12 {
    background-position: -3696px -2360px;
    width: 808px;
    height: 808px;
}