.btnvoltar{background:#000;border:2px solid #000;border-radius:50%;color:#fff;cursor:pointer;font-family:Roboto;font-size:34px;font-weight:500;height:38px;line-height:.5;margin:0 2px;padding-bottom:6px;text-align:center;width:38px}.btnvoltar:hover{background:#004b00;border-color:#004b00;color:#fff}