/**
 * BANNIERE
 */

#banniere-sigma .haut {
    background: url('../images_sigma/fond-sigma.jpg') no-repeat center center;
    background-attachment: fixed;
    background-size: cover;
}

/**
 * PRINCIPE
 */

#principe .content {display: flex;justify-content: center;align-items: center;padding: 6vh;}
#principe .image {padding: 0;max-width: 450px;}
#principe .image img {min-width: 200px;width: 100%;}
#principe .text {line-height: 1.5;text-align: justify;padding: 30px;background-color: #046197;color: white;font-size: 18px;}

@media only screen and (max-width:960px) {
    #principe .content {display: flex;flex-direction: column;justify-content: center;align-items: center;}
    #principe .text {max-width: 450px;padding: 4vh 20px;}
}

/**
 * VIDEO
 */

#video h3 {font-weight: bold; letter-spacing: -1px;}
iframe {width: 600px; height: 320px;padding-top: 40px;}

@media only screen and (max-width:767px) { 
    iframe {width: 80%; height: 140px;}
}

/**
* SECTIONS SIGMA
*/

.section-sigma li {list-style-type: disc;}
.section-sigma .text {font-weight: 300;font-size: 18px;line-height: 1.5;text-align: justify;padding: 4vh;}
.section-sigma img {max-width: 500px;width: 70%;}

@media only screen and (min-width:767px) {
    .section-sigma .content {display: flex;justify-content: center;align-items: center;}
}