img{
	transition: transform .4s;
}
img:hover{
	transform:scale(1.2);
}
.container-explications{
    width:1024px;
    margin:50px auto 50px auto;
}
.container-explications iframe{
    width:560px;
    height:315px;
    margin:50px auto 50px auto;
}
.container-explications h1{
    width:1024px;
    margin:auto auto 50px auto;
    padding:15px;
}
.container-explications h2{
    width:1024px;
    margin:20px auto 20px auto;
    padding:15px;
}
p.container-paragraph{
    width:1024px;
    padding:15px;
}
.container-explications strong{
    width:994px;
    margin:20px auto 50px auto;
    padding:15px;
}
.img-explain{
    width:600px;
    margin:20px auto 20px auto;
}
@media screen and (min-width:1024px) and (max-width:1399px){
    .container-explications iframe{
        padding:15px;
    }
}
@media screen and (min-width:768px) and (max-width:1023px){
    .container-explications{
        width:768px;
    }
    .container-explications iframe{
        padding:15px;
    }
    .container-explications h1{
        width:768px;
    }
    .container-explications h2{
        width:768px;
    }
    p.container-paragraph{
        width:768px;
    }
    .container-explications strong{
        width:768px;
    }
}
@media screen and (min-width:576px) and (max-width:767px){
    .container-explications{
        width:576px;
    }
    .container-explications iframe{
        padding:15px;
    }
    .container-explications h1{
        width:576px;
    }
    .container-explications h2{
        width:576px;
    }
    p.container-paragraph{
        width:576px;
    }
    .container-explications strong{
        width:576px;
    }
    .img-explain{
        width:500px;
    }
}
@media screen and (min-width:320px) and (max-width:575px){
    .container-explications{
        width:320px;
    }
    .container-explications iframe{
        width:320px;
        height:160px;
        padding:15px;
    }
    .container-explications h1{
        width:320px;
        padding:0;
        margin:0;
    }
    .container-explications h2{
        width:320px;
    }
    p.container-paragraph{
        width:320px;
    }
    .container-explications strong{
        width:320px;
    }
    .img-explain{
        width:320px;
    }
}