.main_title {
    width: 100%;
    font-size: 30px;
    text-align: center;
    margin-bottom: 30px;
    margin-top: 30px;
}
.main_comando {
    margin: 0 auto;
    width: 300px;
    position: relative;
}
.middle_comando {
    background-image: url(../images/middle.png);
    background-repeat: repeat-y;
    height: auto;
    min-height: 200px;
    position: relative;
    float: left;
    width: 100%;
}
.btn_left {
    float: left;
    width: 110px;
    height: 110px;
    text-align: center;
    margin-left: 25px;
    background-image: url(../images/button2.png);
    background-repeat: no-repeat;
    vertical-align: middle;
    overflow: hidden;
}
.btn_right {
    float: right;
    width: 110px;
    height: 110px;
    text-align: center;
    margin-right: 25px;
    background-image: url(../images/button2.png);
    background-repeat: no-repeat;
    vertical-align: middle;
    overflow: hidden;
}
.btn_left img, .btn_right img {
    vertical-align: middle;
    max-height: 110px;
    margin: auto;
    position: relative;
    top: 50%;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
}
.middle_top, .middle_logo {
    margin-bottom: 40px;
    float: left;
    width: 100%;
}
.middle_logo img {
    margin-left: 25px;
}
.middle_bottom {
    float: left;
    width: 100%;
    margin-bottom: 20px;
}
.middle_bottom .btn_left, .middle_bottom .btn_right {
    margin-bottom: 20px;
}
.middle_comando img {
    cursor: pointer;
}