dev-epau.archi.fr/user/themes/antimatter/scss/template/modular/_showcase.scss

// Modular Showcase styling
.modular {

    // special case for header
    &.header-image {

        #header {
            background-color: rgba(255,255,255,0);
            box-shadow: none;

            #logo h3 {
                color: $header-text;
            }
            #navbar a {
                color: $header-text;
            }
        }
    }

    .showcase {

        padding-top: 4rem;
        padding-bottom: 4rem;
        background-color: #666;
        background-size: cover;
        background-position: center;

        text-align: center;
        color: $header-text;
        h1 {
            font-size: 4rem;
            margin-top: 0;
            @include breakpoint(tablet-range) {
                font-size: 3rem;
            }
            @include breakpoint(mobile-only) {
                font-size: 2.5rem;
                line-height: 1.2;
                margin-bottom: 2.5rem;
            }
        }

        .button {
            @extend .default-animation;
            color: $header-text;
            padding: 0.7rem 2rem;
            margin-top: 2rem;
            background: rgba(255,255,255,0);
            border: 1px solid $header-text;
            border-radius: $border-radius;
            box-shadow: none;
            font-size: $core-font-size + 0.3rem;

            &:hover {
                background: rgba(255,255,255,0.2);
            }
        }
    }

}