.block3_T66 .imgWrap .play { width: 70px; height: 70px; line-height: 70px; background: rgba(91,125,70, 0.8); border-radius: 50%; transition: 0.4s all ease; -moz-transition: 0.4s all ease; -webkit-transition: 0.4s all ease; -o-transition: 0.4s all ease; -ms-transition: 0.4s all ease; z-index: 2; display: inline-block; position: absolute; top: 0; left: 0; right: 0; bottom: 0; margin: auto; }

.block3_T66 .imgWrap .play:before { content: ""; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 14px solid transparent; border-right: 14px solid transparent; border-left-color: #fff; position: absolute; top: 50%; left: 50%; margin-top: -7px; margin-left: -6px; }

@media screen and (max-width: 875px) { .block3_T66 .imgWrap .play { width: 60px; height: 60px; line-height: 60px; } }