* { padding: 0; margin: 0; list-style: none; border: 0 }

.slider {
	overflow: hidden;
	position: relative
}
.slider ul.slider_liste li {
	font-size: 0;
	width: 100%;
	float: left
}
.slider ul.slider_liste li a img {
	width: 100%
}

/* buton */
a.onceki, a.sonraki {
	width: 70px;
	height: 70px;
	text-decoration: none;
	font: 32px/70px Arial;
	color: #fff;
	border-radius: 100px;
	position: absolute;
	top: 50%;
	margin-top: -35px;
	background: rgba(0, 0, 0, .5);
	text-align: center
}
a.onceki { left: 20px }
a.sonraki { right: 20px }
a.onceki:hover, a.sonraki:hover { background: #000 }





ul.mobmen {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #000;
}
ul.mobmen li {float: right;}
ul.mobmen li a {
    display: inline-block;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    transition: 0.3s;
    font-size: 20px;
}
ul.mobmen li a:hover {background-color: #555;}
ul.mobmen li.icon {display: none;}
 
@media screen and (max-width:680px) {
  ul.mobmen li:not(:first-child) {display: none;}
  ul.mobmen li.icon {
    float: right;
    display: inline-block;
  }
}
 
@media screen and (max-width:680px) {
  ul.mobmen.responsive {position: relative;}
  ul.mobmen.responsive li.icon {
    position: absolute;
    right: 0;
    top: 0;
  }
  ul.mobmen.responsive li {
    float: none;
    display: inline;
  }
  ul.mobmen.responsive li a {
    display: block;
    text-align: left;
  }
}


.logo {
     float: left;
     width: 100px;
     height: 50px;
     margin: 0px 0px;
}