.main_menu {
        height: auto;
        position: relative;
    }
    
    .main_menu h1 {
        width: 100%;
        text-align: center;
        font-family: 'Slabo 13px', serif;
        font-size: 38px;
        font-weight: normal;
        letter-spacing: 1px;
        color: white;
        position: absolute;
        top: 50%;
        right: auto;
        bottom: auto;
        left: 50%;
        transform: translate3d(-50%, -50%, 0);
    }
    
    .main_menu .trigger {
        width: 30px;
        height: 30px;
        position: absolute;
        top: 0px;
        right: 0px;
        z-index: 3;
        cursor: pointer;
        transition: top .1s ease-in-out;
    }
    
    .permanent_1 .main_menu .trigger span{
        background: #af7428;
    }

    .main_menu .trigger span {
        display: block;
        width: 100%;
        height: 1px;
        background: #F1F1F1;
        margin: 0 0 5px 0;
        transition: all .2s ease-in-out;
        position: absolute;
    }
    
    .main_menu .trigger span:first-child {
        top: 0;
        left: 0;
    }
    
    .main_menu .trigger span:nth-child(2) {
        top: 10px;
        left: 0;
    }
    
    .main_menu .trigger span:last-child {
        top: 20px;
        left: 0;
    }
    
    .main_menu .trigger.on {
        top: 5px;
    }
    
    .main_menu .trigger.on span:first-child {
        transform: rotate(45deg);
        background: #3989C6;
    }
    
    .main_menu .trigger.on span:nth-child(2) {
        transform: rotate(-45deg);
        background: #3989C6;
        top: 0;
    }
    
    .main_menu .trigger.on span:last-child {
        transform: rotate(45deg);
        background: #3989C6;
        top: 0;
    }
    
    .menu_content {
        /* background: rgba(0, 0, 0, 0.85); */
        height: 100px;
        width: 10%;
        position: fixed;
        top: 16%;
        right: 0;
        bottom: 0;
        left: 90%;
        display: none;
        z-index: 2;
        font-size: 13px;
    }
    
    .menu_content ul {
        list-style-type: none;
        padding: 0;
        text-align: right;
        position: absolute;
        top: 0;
        right: 3px;
        line-height: 15px;
        transform: translate3d(-50%, -50%, 0);
    }
    
    .menu_content ul li {
        color: #3989C6;
        font-size: 24px;
        letter-spacing: 1.4px;
        padding: 3px 0;
    }
    
    .menu_content ul li a {
        color: #3989C6;
        font-size: 13px;
        -moz-transition: all 0.2s ease-in;
        -o-transition: all 0.2s ease-in;
        -webkit-transition: all 0.2s ease-in;
        transition: all 0.2s ease-in;
    }
    
    .menu_content ul li a:hover {
        color: #a6620a;
    }