@media(max-width:850px){
.button_container{position:fixed;top:33px;right:5%;height:27px;width:40px;cursor:pointer;z-index:100;-webkit-transition:opacity .25s ease;transition:opacity .25s ease;}
/*.button_container:hover{opacity:.7;}*/
.button_container.active .top{-webkit-transform:translateY(15px) translateX(0) rotate(45deg);transform:translateY(15px) translateX(0) rotate(45deg);background:#FFF;}
.button_container.active .middle{opacity:0;background:#FFF;}
.button_container.active .bottom{-webkit-transform:translateY(-14px) translateX(0) rotate(-45deg);transform:translateY(-14px) translateX(0) rotate(-45deg);background:#FFF;}
.button_container span{
	background:#45cab7;border:none;height:5px;width:100%;position:absolute;top:-3px;left:0;-webkit-transition:all .35s ease;transition:all .35s ease;cursor:pointer;
	-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;
}
.button_container span:nth-of-type(2){top:11px;}
.button_container span:nth-of-type(3){top:26px;}

.overlay{
	position:fixed;top:0;left:0;width:100%;height:0%;opacity:0;visibility:hidden;-webkit-transition:opacity .35s, visibility .35s, height .35s;transition:opacity .35s, visibility .35s, height .35s;overflow:hidden;
	background:#46CAB6;
	background:-webkit-gradient(linear, 0 0, 0 bottom, from(#46CAB6), to(#28B5BA));
	background:-webkit-linear-gradient(#46CAB6, #28B5BA);
	background:-moz-linear-gradient(#46CAB6, #28B5BA);
	background:-ms-linear-gradient(#46CAB6, #28B5BA);
	background:-o-linear-gradient(#46CAB6, #28B5BA);
	background:linear-gradient(#46CAB6, #28B5BA);
}
.overlay.open{opacity:1;visibility:visible;height:100%;}
.overlay.open li{-webkit-animation:fadeInRight .5s ease forwards;animation:fadeInRight .5s ease forwards;-webkit-animation-delay:.35s;animation-delay:.35s;}
.overlay.open li:nth-of-type(2){-webkit-animation-delay:.4s;animation-delay:.4s;}
.overlay.open li:nth-of-type(3){-webkit-animation-delay:.45s;animation-delay:.45s;}
.overlay.open li:nth-of-type(4){-webkit-animation-delay:.50s;animation-delay:.50s;}
.overlay nav{position:relative;height:70%;top:50%;-webkit-transform:translateY(-50%);transform:translateY(-50%);font-size:42px;text-align:center;}
.overlay ul{list-style:none;padding:0;margin:0 auto;display:inline-block;position:relative;height:100%;min-width:60%;}
.overlay ul li{display:block;height:25%;height:calc(100% / 6);min-height:50px;position:relative;opacity:0;}
.overlay ul li a{display:block;position:relative;color:#FFF;text-decoration:none;/*overflow:hidden;*/}
.overlay ul li a:hover:after, .overlay ul li a:focus:after, .overlay ul li a:active:after{width:100%;}
/*.overlay ul li a:after{content:'';position:absolute;bottom:0;left:50%;width:0%;-webkit-transform:translateX(-50%);transform:translateX(-50%);height:3px;background:#FFF;-webkit-transition:.35s;transition:.35s;}}*/

@-webkit-keyframes fadeInRight{0%{opacity:0;left:20%;}100%{opacity:1;left:0;}}
@keyframes fadeInRight{0%{opacity:0;left:20%;}100%{opacity:1;left:0;}}