/* grid */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial;
}

.header {
    text-align: center;
    padding: 32px;
}

.row {
    display: -ms-flexbox;
    /* IE10 */
    display: flex;
    -ms-flex-wrap: wrap;
    /* IE10 */
    flex-wrap: wrap;
    padding: 0 4px;
}

/* Create four equal columns that sits next to each other */
.column {
    -ms-flex: 25%;
    /* IE10 */
    flex: 25%;
    max-width: 25%;
    padding: 0 4px;
}

.column img {
    margin-top: 8px;
    vertical-align: middle;
    width: 100%;
}

/* Responsive layout - makes a two column-layout instead of four columns */
@media screen and (max-width: 800px) {
    .column {
        -ms-flex: 50%;
        flex: 50%;
        max-width: 50%;
    }
}

/* Responsive layout - makes the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 600px) {
    .column {
        -ms-flex: 100%;
        flex: 100%;
        max-width: 100%;
    }
}

/* Nettoyage des styles pour éviter les conflits Bootstrap sur le reste de la page */
body {
    overflow-x: hidden;
    /* Sécurité anti-scroll horizontal */
    margin: 0;
    padding: 0;
}

.custom-grid-container {
    width: 100%;
    padding: 0 15px;
    /* Évite que les images collent aux bords de l'écran */
    box-sizing: border-box;
}

/* Clearfix pour contenir les éléments en float */
.custom-grid-container::after {
    content: "";
    display: table;
    clear: both;
}

.custom-column {
    float: left;
    width: 25%;
    box-sizing: border-box;
    padding: 5px;
    /* Espacement entre les images */
}

.custom-column img {
    width: 100%;
    display: block;
    margin-bottom: 10px;
}

h1 {
    padding: 20px 15px;
    margin: 0;
}