/* CSS che hinh 18+ */
.wrap_op1 {
    position: relative;
    display: block;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    opacity: 1;
    cursor: pointer;
    margin-bottom: 20px;
}
.wrap_op1 p {
    padding-bottom: 0;
}
.op_img1 {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: url(../images/pattern.png) left top repeat;
    text-align: center;
    margin: auto;
    color: #ff0000;
    text-transform: uppercase;
    width: 100%;
}
.op_img1 .text {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
    width: 100%;
    font-size: 80%;
    text-align: center;
}
.text .a_click1 {
    padding: 6px;
    background-color: #eee;
    border: 1px solid #ccc;
    border-radius: 5px;
    text-decoration: none;
    color: #666;
    width: 130px;
    margin: 0 auto;
    clear: both;
    margin-top: 10px;
    display: block;
    font-size: 90%;
}
/* END CSS che hinh 18+ */