menu.css

#btn_StreetDay, #btn_RailDay, #btn_AirDay, #btn_AllDay{
    background-color: #ffcc33; /* yellow */
    border: none;
    color: white;
    width:3.2em;
    height:1.8em;
    /* padding: 15px 32px; */
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;  
    border-radius: 2px;
    box-shadow: 0 8px 16px 0 rgba(255,204,51,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
}
#btn_StreetDay:hover, #btn_RailDay:hover, #btn_AirDay:hover, #btn_AllDay:hover{
    background-color: #af8a1c;
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
    cursor: pointer; 
}

#btn_StreetNight, #btn_RailNight, #btn_AirNight, #btn_AllNight{
    background-color: #3583f8; /* yellow */
    border: none;
    color: white;
    width:3.2em;
    height:1.8em;
    /* padding: 15px 32px; */
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;  
    border-radius: 2px;
    box-shadow: 0 8px 16px 0 #3583f833, 0 6px 20px 0 rgba(0,0,0,0.19);
}
#btn_StreetNight:hover, #btn_RailNight:hover, #btn_AirNight:hover, #btn_AllNight:hover{
    background-color: #235fb9;
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
    cursor: pointer; 
}
#btn_StreetOff, #btn_RailOff, #btn_AirOff, #btn_AllOff{
    background-color: #424242; /* yellow */
    border: none;
    color: white;
    width:2.4em;
    height:1.8em;
    /* padding: 15px 32px; */
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;  
    border-radius: 2px;
    box-shadow: 0 8px 16px 0 #27272733, 0 6px 20px 0 rgba(0,0,0,0.19);
}
#btn_StreetOff:hover, #btn_RailOff:hover, #btn_AirOff:hover, #btn_AllOff:hover{
    background-color: #161616;
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
    cursor: pointer; 
}

#btn_NoiseSensOn,#btn_NoiseSensOpen,#btn_NoiseSensShow, #btn_NoiseSensOff, .btn_on, .btn_off{
    background-color: #424242; /* yellow */
    border: none;
    color: white;
    width:4em;
    height:1.8em;
    /* padding: 15px 32px; */
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;  
    border-radius: 2px;
    box-shadow: 0 8px 16px 0 #27272733, 0 6px 20px 0 rgba(0,0,0,0.19);
}
#btn_NoiseSensOn:hover,#btn_NoiseSensOpen:hover,#btn_NoiseSensShow:hover, #btn_NoiseSensOff:hover, .btn_on:hover, .btn_off:hover{
    background-color: #161616;
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
    cursor: pointer; 
}
#tourstart-btn, #balloon-startscreen{
    /* box-shadow: 0 8px 8px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19); */
    /* box-shadow:
    0 2.8px 2.2px rgba(0, 0, 0, 0.034),
    0 6.7px 5.3px rgba(0, 0, 0, 0.048),
    0 12.5px 10px rgba(0, 0, 0, 0.06),
    0 22.3px 17.9px rgba(0, 0, 0, 0.072),
    0 41.8px 33.4px rgba(0, 0, 0, 0.086),
    0 100px 80px rgba(0, 0, 0, 0.12)
  ; */
}
.btn-three{
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
}
/* .btn_home{
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
    width:6em;
    height:2.3em;
    border-radius: 4px;
    text-align: center;
    margin-top: -15px;
} */

.btn_standard{
    background-color: #424242; /* yellow */
    border: none;
    color: white;

    /* padding: 15px 32px; */
    text-align: center;
    text-decoration: none;
    display: inline-block;

    border-radius: 2px;
    box-shadow: 0 8px 16px 0 #27272733, 0 6px 20px 0 rgba(0,0,0,0.19);
}
.btn_standard:hover{
    background-color: #161616;
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
    cursor: pointer; 
}

.dropbtn {
    background-color: #303030;
    color: white;
    padding: 16px;
    font-size: 16px;
    border: none;
    cursor: pointer;
  }
  
  .dropdown {
    position: relative;
    display: inline-block;
  }
  
  .dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
  }
  
  .dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
  }
  
  .dropdown-content a:hover {background-color: #f1f1f1}
  
  .dropdown:hover .dropdown-content {
    display: block;
  }
  
  .dropdown:hover .dropbtn {
    background-color: #414141;
  }
  .leftstuff{
      float:left !important
  }

/* Unser Logo */
  .logo_kk{
    height: 75px;
    width: 75px;
    /* float: left; */
    z-index: 100;
    background: white;
    margin-top: 15px;
    position: absolute;
    /* padding: 25px; */
    border-bottom-right-radius: 3px;
    border-top-right-radius: 3px;
    /* display: inline-block; */
    transition: width 1s;
    overflow:hidden;  
    cursor: pointer
  }
  #logo_title{
      display:none;
      position:relative;
  }
  .logo_kk:hover{
    width:250px;
  }
  .logo_kk:hover #logo_title{

    display:block;
    position: relative;
    float: left;
    font-size: 20px;
    font-weight: 600;
    font-family: 'Roboto',sans-serif;
    height:75px;
    margin: 0px;
    padding: 26px 0;
    /* -webkit-transition: all .8s ease;
    -moz-transition: all .8s ease;
    -ms-transition: all .8s ease;
    -o-transition: all .8s ease; */
    transition: width 2s;
     /* padding: 2px; */
  }
  #logo_Main{
    height: 75px;
    width: 75px;
    /* position: relative; */
    padding: 15px;
    float:left;
  }

  .logo-box{
    display:none;
  }
  .company-logo{
    display:none;
  }
  .title-box{
    display:none;
  }

  .btn_size{
    padding: 7px !important;
  }

  .subcontent{
    padding:0px !important;
  }

  .column3 {
    float: left;
    width: 33.33%;
    padding: 10px;
    position: relative;
    text-align: center;
    color: white;
    /* height: 350px; Should be removed. Only for demonstration */
  }
  .column2 {

    width: 33.33%;
    padding: 10px;
    position: relative;

    color: black;
    height: 30px; /*Should be removed. Only for demonstration */
    float:left !important;
    margin-left: 20px;
    position:absolute;
  }
  .top-left {
    position: absolute;
    top: 8px;
    /* left: 16px; */
    background-color: #121212;
    padding: 4px;
    padding-left: 7px;
    padding-right: 7px;
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
    font-family: 'Roboto', sans-serif;
    font-weight:500;
  }

  .imagecol3{
    /* border-color:#121212; */
    border-width: 2px;
    border-radius:4px;
    border:solid #121212 ;
  }
  #colum_projects1{

  }
  #colum_projects2{

  }
  #colum_projects3{
   
  }
  
  /* Clear floats after the columns */
  .row3:after {
    content: "";
    display: table;
    clear: both;
  }
  .row2:after {
    content: "";
    display: table;
    clear: both;
    width: 100%;
  }


  /* ..-------------- */
  #btn_backtotop {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    font-size: 18px;
    border: none;
    outline: none;
    background-color: red;
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 4px;
  }
  
  #btn_backtotop:hover {
    background-color: #555;
  }

ul > li {
    display: inline-block;
    width: 5px;
    /* You can also add some margins here to make it look prettier */
    zoom:1;
    *display:inline;
    /* this fix is needed for IE7- */
}


/* The container */
.container {
  display: block;
  position: relative;
  padding-left: 35px;
  /* margin-bottom: 12px; */
  cursor: pointer;
  /* font-size: 22px; */
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* Hide the browser's default checkbox */
.container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

/* Create a custom checkbox */
.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 25px;
  width: 25px;
  background-color:#f1f1f1;
  border-width: 2px;
  border-radius:4px;
  border:solid #424242 ;
  box-shadow:0 8px 16px 0 #27272733, 0 6px 20px 0 rgb(0 0 0 / 19%);
}

/* On mouse-over, add a grey background color */
.container:hover input ~ .checkmark {
  background-color: #ccc;
}

/* When the checkbox is checked, add a blue background */
.container input:checked ~ .checkmark {
  background-color: #424242;
}

/* Create the checkmark/indicator (hidden when not checked) */
.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

/* Show the checkmark when checked */
.container input:checked ~ .checkmark:after {
  display: block;
}

/* Style the checkmark/indicator */
.container .checkmark:after {
  left: 7px;
  top: 5px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 3px 3px 0;
  -webkit-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
}