.person_list { width: 100%; border: 0; }
.person_list td { width: 25%; vertical-align: top; }
.person_list.p3 td { width: 33%; vertical-align: top; }
.person_list td > div { padding: 10px; text-align :center; }
.person_list td > div .ava { display: block; width: 150px; height: 150px; border-radius: 50%; background-position: 50% 50%; background-repeat: no-repeat; background-size: cover; margin: 0 auto; }