@media only screen and (max-width: 988px) {
    /* For mobile phones:
    [class*="col-"] {
      width: 100%;
    }
    */
    body{
        width: 96%;
    }
    .overlay a{
        display: none !important;
        background-color: #6fb936;
    }
    .telefono{
        margin:0px;
        width: 105%;
        font-size:129% !important;
    }
    .owl-carousel {
        width: 105% !important;
    }
    .logo{
        display: block !important; 
    }
    .logo img{
        height: 103px;
    }

    .separetor{
        display: none;
    }
    .navbar-nav{
        margin-top: 10px;
    }
    .nav-link{
        font-size: 150%;
    }
    .image-box{
        width: 105%;
    }
    .footerZanni{
        width: 105%;
    }
    .rigaGrigia{
        width: 105%;
    }
    .rigaScorrimento{
        width: 109%;
    }
}
@media only screen and (max-width: 414px) {
    body{
        width: 95%;
    }
    .telefono{
        margin:0px;
        width: 104%;
        font-size:117% !important;
    }
    #videoacqua{
        width: 100%;
    }
}
@media only screen and (max-width: 330px) {
    .cardtext-left-title{
        font-size: 29px !important;
    }
    .telefono{
        margin:0px;
        width: 104%;
        font-size:100% !important;
    }
    .logo img{
        height: 80px;
    }
}
.logo{
    display: none;
}
.carousel-item img {
    height: 800px;
    min-width: auto;
}
.overlay {
    position: absolute;
    top: 30%;
    width: 100%;
    text-align: center;
    z-index: 10;
    pointer-events: none;
}
.overlay img{
    max-width: 350px !important;
}
.overlay i{
    display: block;
    font-size: 96px;
    color: #FFF;
}
.navbar{
    font-family: 'Roboto', sans-serif;
    font-size: 15px;
    line-height: 22.5px;
    letter-spacing: 0.45px;
    min-height: 88px;
    -webkit-box-shadow: 0 2px 5px 0 rgba(133,133,133,0.5);
    -moz-box-shadow: 0 2px 5px 0 rgba(133,133,133,0.5);
    box-shadow: 0 2px 5px 0 rgba(133,133,133,0.5);
    box-shadow: 0 2px 5px 0 rgba(133,133,133,0.5);
}
.navbar li{
    padding-right: 4px !important;
    padding-left: 4px !important;
    
}
.navbar li a{
    color: rgb(84, 83, 78);
    
}
.dmInner * {
    -webkit-font-smoothing: antialiased;
    font-family: Roboto;
    color:rgba(15,74,140,1);
}
.navbar-light{
    background-color: white;
}
a.nav-link.active{
    margin-top: 6px;
    margin-bottom: 8px;
    padding-top: 1px;
    padding-bottom: 2px;
    padding-left: 0px!important;
    padding-right: 0px!important;
    color:rgba(15,74,140,1)!important;
    border-top: 2px solid rgba(15,74,140,1);
    border-bottom: 2px solid rgba(15,74,140,1);
}
a.nav-link{
    color:black;
    border-top: 0px solid rgba(15,74,140,1);
    border-bottom: 0px solid rgba(15,74,140,1);
    transition: 0.2s;
}
a.nav-link.link:hover{
    margin-top: 8px;
    margin-bottom: 8px;
    padding-top: 1px;
    padding-bottom: 2px;
    
    color:rgba(15,74,140,1)!important;
    border-top: 2px solid rgba(15,74,140,1);
    border-bottom: 2px solid rgba(15,74,140,1);
    transition: 0.3s;
    padding-left: 0px!important;
    padding-right: 0px!important;
}
.telefono{
    background-color:rgba(245,245,245,1)!important;
    color:rgba(15,74,140,1)!important;
    font-size:190%;
    
}
.telefonotext{
    margin-top:2%;
}
.telefonotext.contatti{
    margin-top:4%;
    padding:30px;
}
.riga{
    border-top: 4px solid#bfbfbf;
    height: 2px;
    width: 17%;
    margin-top:20px;
    margin-bottom:2%;
}
.riga-card{
    border-top: 4px solid#bfbfbf;
    height: 2px;
    width: 40%;
    margin-top:3%;
    margin-left:8%;
    margin-bottom:3%;
}
.cardtext{
    background-color: white;
    text-align: left;
}
.cardtext-left-title{
    margin: 8% 8% 0% 8%;
    color:rgba(15,74,140,1)!important;
    font-size: 230%;
}
.cardtext-left-body{
    padding-right: 3%;
    padding-left:8%;
    padding-bottom: 10%;
    color:black;
    font-size: 18px;
}
.cardtext-right{
    background-image: url("../imgs/primacard.jpg");
    width: 100%;
    max-width: 800px;
    height: auto;
}
<!-- seconda card-->
.cardtext-grey{
    background-color:rgba(245,245,245,1)!important;
    text-align: left;
}
.cardtext-left-title{
    margin: 8% 8% 0% 8%;
    color:rgba(15,74,140,1)!important;
    font-size: 34px;
}
.cardtext-left-body{
    padding-right: 3%;
    padding-left:8%;
    padding-bottom: 10%;
    color:black;
    font-size: 18px;
}
.crop {
    width: 200px;
    height: 150px;
    overflow: hidden;
}
.crop img {
    width: 400px;
    height: 300px;
    margin: -75px 0 0 -100px;
}
.rwd-video {
    height: 0;
    overflow: hidden;
    min-height: 80%;
    min-width: 300px;
    position: relative;
    vertical-align: middle;
}
.rwd-video iframe,
.rwd-video object,
.rwd-video embed {
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
}
.rigaGrigia{
    background-color:rgba(245,245,245,1)!important;
    min-height: 785px;
}
.rigaGrigiaDestra.prima{
    background: url("../imgs/primacard.jpg") no-repeat center center; 
    background-size: 100% auto;
}

.rigaGrigiaDestra.prima.lavorazioni{
    background: url("../imgs/Serramenti-ZANNI-MARIO-Teano-00153.jpg") no-repeat center center; 
    background-size: 100% auto;
    background-size: cover !important;
}
.rigaGrigiaDestra.prima.acquastop1{
    background: url("../imgs/zanni-mario-acquastop1.jpg") no-repeat center center; 
    background-size: 100% auto;
    background-size: cover !important;
}
.rigaGrigiaDestra.prima.prodotti{
    background: url("../imgs/Serramenti-ZANNI-MARIO-Teano-0024.jpg") no-repeat center center; 
    background-size: 100% auto;
    background-size: cover !important;
}

.rigaGrigiaDestra.prima.azienda{
    background: url("../imgs/meeting+garone.jpg") no-repeat center center; 
    background-size: 100% auto;
}

.rigaGrigiaDestra.prima.infissi{
    background: url("../imgs/infissi.jpg") no-repeat center center; 
    background-size: 100% auto;
}
.rigaGrigiaDestra.prima.porteInterne{
    background: url("../imgs/porteInterne.jpeg") no-repeat center center; 
    background-size: 100% auto;
}
.rigaGrigiaDestra.prima.porteBlindate{
    background: url("../imgs/7-portone.jpg") no-repeat center center; 
    background-size: 100% auto;
}
.rigaGrigiaDestra.prima.scale{
    background: url("../imgs/scale.jpg") no-repeat center center; 
    background-size: 100% auto;
}
.rigaGrigiaDestra.prima.zanzariere{
    background: url("../imgs/zanzariere.jpg") no-repeat center center; 
    background-size: 100% auto;
}
.rigaGrigiaDestra.prima.tendeDaSole{
    background: url("../imgs/tendeDaSole.jpg") no-repeat center center; 
    background-size: 100% auto;
}
.rigaGrigiaDestra.prima.parquet{
    background: url("../imgs/parquet.jpg") no-repeat center center; 
    background-size: 100% auto;
}
.rigaGrigiaDestra.prima.cancellettiEstensibili{
    background: url("../imgs/cancellettiEstensibili.jpg") no-repeat center center; 
    background-size: 100% auto;
}
.rigaGrigiaDestra.prima.avvolgibili{
    background: url("../imgs/avvolgibili.jpg") no-repeat center center; 
    background-size: 100% auto;
}
.rigaGrigiaDestra.prima.cancelli{
    background: url("../imgs/cancelli.jpg") no-repeat center center; 
    background-size: 100% auto;
}
.rigaGrigiaDestra.prima.ringhiere{
    background: url("../imgs/ringhiere.jpg") no-repeat center center; 
    background-size: 100% auto;
}
.rigaGrigiaDestra.prima.portoniInFerro{
    background: url("../imgs/portoniInFerro.jpg") no-repeat center center; 
    background-size: 100% auto;
}
.seconda.azienda{
    background: url("../imgs/saldatura.jpeg") no-repeat center center; 
    background-size: 100% auto;
    background-size: cover !important;
}
.seconda.lavorazioni{
    background: url("../imgs/Serramenti-ZANNI-MARIO-Teano-00154.jpg") no-repeat center center; 
    background-size: 100% auto;
    background-size: cover !important;
}
.seconda.acquastop2{
    background: url("../imgs/zanni-mario-acquastop2.jpg") no-repeat center center; 
    background-size: 100% auto;
    background-size: cover !important;
}
.seconda.prodotti{
    background: url("../imgs/Serramenti-ZANNI-MARIO-Teano-0025.jpg") no-repeat center center; 
    background-size: 100% auto;
    background-size: cover !important;
}
.seconda.prodotti{
    background: url("../imgs/Serramenti-ZANNI-MARIO-Teano-0025.jpg") no-repeat center center; 
    background-size: 100% auto;
    background-size: cover !important;
}

.cardBlu{
    background-color:rgba(15, 74, 140, 1) !important;
    background-size: 100% auto;
    color:white !important;
}
.rigaGrigiaDestra.seconda{
    background: url("../imgs/7-portone.jpg") no-repeat center center; 
    background-size: 100% auto;
}
.rigaGrigiaDestra.seconda.azienda{
    background: url("../imgs/serramentiSuMisura.jpg") no-repeat center center; 
    background-size: 100% auto;
}
.rigaScorrimento{
    background: url("../imgs/zanni.jpg") no-repeat center center fixed; 
    height: 600px; 
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: 100% auto;
}
.zanniScorrimento{
    background: url("../imgs/zanni.jpg") no-repeat center center fixed; 
    height: 600px;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: 100% auto;
    opacity: 0.5;
    filter: alpha(opacity=50);
}
.zanniScorrimento.footer{
    background: url("../imgs/Serramenti-ZANNI-MARIO-Teano-008.jpg") no-repeat center center fixed; 
    height: 300px;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;    
}
.footerZanni{
    background-color:rgba(15,74,140,1)!important;
    font-weight: bold;
}
.center{
    margin: auto;
    width: 50%;
    padding: 10px;
}
.zanniScorrimentotesto h1{
    color:white !important;
}
.orari{
    margin-top:10%;
    margin-bottom:10%;
}
.listaLavorazioni ul{
    color:black !important;
    padding-left:14%;
}
.imgslider{
    max-height: 850px !important;
    justify-content: center;
    display: flex;
    flex-direction: column;
}
.imgslider img{
    flex: 1;
    height: 100%;
}

.foto{
    margin-top:1%;
}

#demo {
    height:100%;
    position:relative;
    overflow:hidden;
}
.green{
    background-color:#6fb936;
}
.thumb{
    margin-bottom: 30px;
}
.page-top{
    margin-top:85px;
}
img.zoom {
    width: 100%;
    height: 200px;
    border-radius:5px;
    object-fit:cover;
    -webkit-transition: all .3s ease-in-out;
    -moz-transition: all .3s ease-in-out;
    -o-transition: all .3s ease-in-out;
    -ms-transition: all .3s ease-in-out;
}
.transition {
    -webkit-transform: scale(1.2); 
    -moz-transform: scale(1.2);
    -o-transform: scale(1.2);
    transform: scale(1.2);
}
.modal-header {
    border-bottom: none;
}
.modal-title {
    color:#000;
}
.modal-footer{
        display:none;  
}

h1{
    font-family: 'Josefin Sans';
}
p{
    font-family: 'Roboto';
    font-weight: 400;
    color: rgb(84, 83, 78) !important;
}
li{
    font-family: 'Roboto';
    font-weight: 400;
    color: rgb(84, 83, 78);
}
li.blue{
    font-family: 'Roboto';
    font-weight: 400;
    color: white;
}
.video_contain {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    
}

.video_contain video {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    margin: auto;
    min-height: 55%;
    min-width: 50%;
}

.rowvideo{ margin-top: 35px !important;}
.bleft {
    border-left-color: rgba(183,182,182,1) !important;
}
.rwd-video {margin-left: 15px !important;}
.ffooter{
    text-align: center;
    padding-top: 30px;
}
.ffooter h1, .ffooter h2{
    color: #fff !important;
}

.overlayy {
    position: fixed; /* Sit on top of the page content */
    display: none; /* Hidden by default */
    width: 100%; /* Full width (cover the whole page) */
    height: 100%; /* Full height (cover the whole page) */
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.5); /* Black background with opacity */
    z-index: 2; /* Specify a stack order in case you're using a different order for other elements */
    cursor: pointer; /* Add a pointer on hover */
  }

  #overlay {
    position: relative; /* Sit on top of the page content */
    display: block;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.5);
    z-index: 999;

  }
  
  #text{
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 50px;
    color: white;
    transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
  }

  /* 
The container box is relative so we can position stuff inside of it 
*/
.image-box {
    position: relative;
}
  
.image-box__background,
.image-box__overlay {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}
  /* 
  The background image div sizes and positions the background itself.
  It's also at the bottom-most position in our "div stack" (z-index 1)
  
  We set the image url via a CSS custom property, that's set via the style attribute in our HTML
  */
  .image-box__background {
      height: 300px;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-image: var(--image-url);
    z-index: 1
  }
  
  /* 
  The overlay div is just a colored element with some opacity.
  It's above the background image in our stack, so it appears to 
  darken the image 
  */
  .image-box__overlay {
    height: 300px;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2;
  }
  
  /* 
  The content div is at the top of our stack. 
  We'd probably add some padding or flexbox properties here as well, 
  to place the content appropriately
  */
  .image-box__content {
    position: relative;
    text-align: center;
    z-index: 3;
    
    color: white;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .image-box__content h1{
      font-size: 28px !important;
  }
  .image-box__content i{
    font-size: 62px !important;
}
.overlay{ pointer-events: auto !important; }
.footerZanni a{
    font-size: 48px;
    color: #fff !important;
    text-align: center;
}
.ofh{overflow-x: hidden !important;}
.mt30{margin-top: 30px;}

.dropdown-item{
    padding: 15px 30px 15px 15px;
    border-bottom: 1px solid #DCDCDC;

}

.dropdown-item:hover{
    background-color:rgba(15, 74, 140, 1) !important;
    color:white !important;
}
.dropdown-menu{
    border-radius:0px;
    padding:0px;
}

.attivo{
    background-color:rgba(15, 74, 140, 1) !important;
    color:white !important;
}

.rowGalleria{
    background-color:rgba(245,245,245,1)!important;
    color:rgba(15,74,140,1)!important;
    padding: 3%;
}

.upGallery p{
    font-size: 18px; 
    text-align: center;
}
.acquastop-logo{
    max-height: 65px;
}

.float{
	position:fixed;
	width:75px;
	height:75px;
	bottom:10px;
	right:10px;
	background-color:#25d366;
	color:#FFF;
	border-radius:50px;
	text-align:center;
    font-size:30px;
	box-shadow: 2px 2px 3px #999;
    z-index:100;
}

.my-float{}