.banner_web {
        width: 100%;
        height: auto;
        background-color: #448AFF;
        text-align: center;
    }

    .banner_w {
        width: 100%;
        height: auto;
        text-align: center;
    }
/* box corsi*/
   @media screen and (min-width:900px) {
       .banner_corsi {
            margin: 0 auto;
            width: 60%;
            height: auto;
            background-color: #00C853;
            text-align: center;
            overflow: hidden;
            padding:30px;
            border-radius:10px;
        }

        .corsi-item {
            width: 100%;
            height: auto;
            font-size: 1.2em;
            display: block;
            text-align: left;
            color: #333;
            line-height: 1.2em;
            padding: 30px;
            background-color: #fff;
            border-radius:10px;
        }
        .corsi-item2 {
            width: 100%;
            font-size: 1.2em;
            display: block;
            text-align: left;
            color: #333;
            line-height: 1.2em;
            margin-top:20px;
            padding: 30px;
            background-color: #fff;
            border-radius:10px;
        } 
}
   @media screen and (max-width:899px) {
     .banner_corsi {
            margin: 0 auto;
            width: 80%;
            height: auto;
            background-color: #00C853;
            text-align: center;
            overflow: hidden;
            padding:15px;
            border-radius:10px;
        }
        .corsi-item {
            width:100%;
            font-size: 1.1em;
            display: block;
            text-align: left;
            color: #333;
            line-height: 1.2em;
            padding: 10px;
            background-color: #fff;
            border-radius:10px;
        }
        .corsi-item2 {
            float:left;
            width: 100%;
            font-size: 1.2em;
            display: block;
            text-align: left;
            color: #333;
            line-height: 1.2em;
            margin-top:10px;
            padding: 30px;
            background-color: #fff;
            border-radius:10px;
        }   
}
/* fine box corsi*/
    @media screen and (min-width:1200px) {
        .flex-web {
            width: 80%;
            height: auto;
            overflow: hidden;
            margin: 0 auto;
            padding: 5px 10px 2px 10px;
            -ms-box-orient: horizontal;
            display: -webkit-box;
            display: -moz-box;
            display: -ms-flexbox;
            display: -moz-flex;
            display: -webkit-flex;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            color: #333;
            background-color: #fff;
            align-items: flex-start;
        }

        .web-item {
            width: 450px;
            height: auto;
            margin: 15px 1em 13px 1em;
            padding: 0px;
            font-size: 1.0em;
            line-height: 1.6em;
        }

        .txtW {
            margin: 0 auto;
            font-size: 1.5em;
            display: block;
            text-align: left;
            color: #e6e6e6;
            line-height: 1.4em;
            max-width: 600px;
            padding: 30px 0 30px 0;
        }

        .banner_w {
            width: 100%;
            height: 360px;
            text-align: center;
            padding-top: 20px;
        }
    }

    @media screen and (max-width:1199px) {
        .flex-web {
            width: 90%;
            margin: 0 auto;
            height: auto;
            overflow: hidden;
            padding: 0px 10px 10px 10px;
            -ms-box-orient: horizontal;
            display: -webkit-box;
            display: -moz-box;
            display: -ms-flexbox;
            display: -moz-flex;
            display: -webkit-flex;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            color: #333;
            background-color: #fff;
        }
        .web-item {
            width: 98%;
            height: auto;
            margin: 15px auto;
            padding: 10px;
            font-size: 1.0em;
            line-height: 1.6em;
        }
        .txtW {
            font-size: 1.1em;
            display: block;
            text-align: left;
            color: #e7e7e7;
            padding: 30px 15px 30px 15px;
        }

    }