/* header */
.header {
    background-color: #333333;
    box-shadow: 1px 1px 4px 0 rgba(0,0,0,0);
    position: absolute;
    width: 100%;
    z-index: 3;
    font-size: 24px;
}

.header ul {
    margin: 0;
    padding: 0;
    list-style: none;
    overflow: hidden;
    background-color: #333333;
}

/*petites sections*/
.header li a {
    display: block;
    padding: 10px 10px;
    text-decoration: none;
    transition: 0.2s;
    color: #fe9600;
    transition: 0.2s;
}

.header li a:hover,
.header .menu-btn:hover {
    color: #f6fef6;
}

/*Grand logo*/
.header .logo {
    display: block;
    float: left;
    transition: 0.2s;
    padding: 21px 0px 0px 21px;
    text-decoration: none;
    color: #fe9600;
    font-weight: bold;
    transition: 0.2s;
}

/* menu */
.header .menu {
    clear: both;
    max-height: 0;
    transition: max-height .2s ease-out;
    padding: 2px 2px;
}

/* menu icon */
/* trois ptits traits */
.header .menu-icon {
    cursor: pointer;
    display: inline-block;
    float: right;
    padding: 22px 16px 18px 0px;
    position: relative;
    user-select: none;
}

.header .menu-icon .navicon {
    background: #fe9600;
    display: block;
    height: 2px;
    position: relative;
    transition: background .2s ease-out;
    width: 18px;
}

.header .menu-icon .navicon:before,
.header .menu-icon .navicon:after {
    background: #fe9600;
    content: '';
    display: block;
    height: 100%;
    position: absolute;
    transition: all .2s ease-out;
    width: 100%;
}

.header .menu-icon .navicon:before {
    top: 5px;
}

.header .menu-icon .navicon:after {
    top: -5px;
}

/* menu btn */
.header .menu-btn {
    display: none;
}

.header .menu-btn:checked ~ .menu {
    max-height: 2400px;
}

.header .menu-btn:checked ~ .menu-icon .navicon {
    background: transparent;
}

.header .menu-btn:checked ~ .menu-icon .navicon:before {
    transform: rotate(-45deg);
}

.header .menu-btn:checked ~ .menu-icon .navicon:after {
    transform: rotate(45deg);
}

.header .menu-btn:checked ~ .menu-icon:not(.steps) .navicon:before,
.header .menu-btn:checked ~ .menu-icon:not(.steps) .navicon:after {
    top: 0;
}

/* 48em = 768px */
@media only screen and (min-width: 900px) {
    .header li {
        float: left;
    }
    .header li a {
        padding: 20px 30px;
    }
    .header .menu {
        clear: none;
        float: right;
        max-height: none;
    }
    .header .menu-icon {
        display: none;
    }
}

/* logo (Gallery) */
@media only screen and (max-width: 900px)  {
    .header .logo {
        display: block;
        float: left;
        padding: 9px 0px 0px 12px;
        text-decoration: none;
    }
}