.hamburger__icon, 
.hamburger__icon:before, 
.hamburger__icon:after {
    background-color: #a7a7a7;
}

.text-center {
    text-align: center;
}


.fat-nav,.hamburger__icon,.hamburger__icon:after,.hamburger__icon:before{-moz-transition-duration:.1s;-o-transition-duration:.1s;-webkit-transition-duration:.1s}

.hamburger {
    display: block;
    width: 40px;
    height: 32px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10000;
    padding: 20px;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -ms-touch-action: manipulation;
    touch-action: manipulation
}


.hamburger__icon {
    position: relative;
    margin-top: 7px;
    margin-bottom: 7px
}




.hamburger__icon,.hamburger__icon:after,.hamburger__icon:before{
	display:block;width:20px;height:1px;
  background-color: #a7a7a7;
  border-radius: 5px;        /* CSS3草案 */  
    -webkit-border-radius: 5px;    /* Safari,Google Chrome用 */  
    -moz-border-radius: 5px; }



.hamburger__icon:after, .hamburger__icon:before {
    position: absolute;
    content: ""
}

.hamburger__icon:before {
    top: -7px
}

.hamburger__icon:after {
    top: 7px
}

.hamburger.active .hamburger__icon {
    background-color: transparent
}

.hamburger.active .hamburger__icon:after, .hamburger.active .hamburger__icon:before {
    background-color: #fff
}

.hamburger.active .hamburger__icon:before {
    -moz-transform: translateY(7px) rotate(45deg);
    -ms-transform: translateY(7px) rotate(45deg);
    -webkit-transform: translateY(7px) rotate(45deg);
    transform: translateY(7px) rotate(45deg)
}

.hamburger.active .hamburger__icon:after {
    -moz-transform: translateY(-7px) rotate(-45deg);
    -ms-transform: translateY(-7px) rotate(-45deg);
    -webkit-transform: translateY(-7px) rotate(-45deg);
    transform: translateY(-7px) rotate(-45deg)
}

.fat-nav {
    top: 0;
    left: 0;
    z-index: 9999;
    position: fixed;
    display: none;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .8);
    -moz-transform: scale(1.4);
    -ms-transform: scale(1.4);
    -webkit-transform: scale(1.4);
    transform: scale(1.4);
    -moz-transition-property: -moz-transform;
    -o-transition-property: -o-transform;
    -webkit-transition-property: -webkit-transform;
    transition-property: transform;
    transition-duration: .4s;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch
}

.fat-nav__wrapper {
    width: 100%;
    height: 100%;
    display: table;
    table-layout: fixed
}

.fat-nav.active {
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    -webkit-transform: scale(1);
    transform: scale(1)
}

.fat-nav ul {
    display: table-cell;
    vertical-align: middle;
    margin: 0;
    padding: 0
}

.fat-nav li {
    list-style-type: none;
    text-align: center;
    padding: 10px;
    font-size: 1.4em
}


@media screen and (max-width: 320px) {

.fat-nav li {
    list-style-type: none;
    text-align: center;
    padding: 0.4em;
    font-size: 1em
}
}

.fat-nav li, .fat-nav li a {
    color: #fff
}

.fat-nav li a {
    text-decoration: none
}