@import url('https://fonts.googleapis.com/css?family=Poppins:400,500,600,700&display=swap');

body {
    
    background: #FFFFFF;
    font-family: 'Poppins', sans-serif;
    margin: 0;
}

.header {
   background: #3366cc;
   position: fixed;
   z-index: 100;
   height: 40px;
   padding: 1rem 0;
   top: 0;
   left: 0;
   right: 0;
}

.header a {
    color: white;
    text-decoration: none;
}

.container {
    width: 90%;
    margin: 0 auto;
}

.logo-nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    letter-spacing: 5px;
    font-size: 1.2em;
}

.menu_btn {
    display: none;
}

.navigation ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.navigation ul li {
    display: inline-block;
}

.navigation ul li a {
    display: block;
    padding: 0.5rem 1rem;
    transition: all 0.4s linear;
    border-radius: 8px;
}

.navigation ul li a:hover {
    background: #ff6633;
    
}

.container .tittle {
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    margin: auto;
    padding: 10px;
}

.main {
    margin: 6rem auto;
}

.img_main {
    display: block;
    width: 100%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.footer {
   background: #ff6633;
   color: white;
   position : fixed;
   z-index: 99;
   bottom : 0;
   left: 0;
   right: 0;
   height: 50;
   text-align: center;
}

@media only screen and (max-width: 767px) {
    
    .menu_btn {
        display: block;
        cursor: pointer;
        text-align: center;
        background: #ff6633;
        border-radius: 8px;
        width: 45px;
        z-index: 98;
        
    }

    .menu_btn span {
        color: white;
        font-size: 28px;
        line-height: 45px;
        
    }
    
    .navigation {
        margin-top: 11px;
        background: #ff6633;
        width: 100%;
        transition: visibility 0s, opacity 2s linear;
    }
    
    .navigation ul {
        display: none;
    }
    
    .navigation ul.show {
        margin: 10px;
        display: block;
        
    }
    
    .navigation ul li {
        display: block;
        border-bottom: 1px solid #ffa942;
        
    }
    
    .navigation ul li a {
        display: block;
        padding: 0.5rem 0rem;
        transition: all 0.4s linear;
        border-radius: 8px;
        text-align: center;
        
    }
    .navigation ul li a:hover {
        background: #ffa942;
    }
    
}