In my css I have the following:--
body {
  background-color: #ffffff;
  font-family: arial, georgia, sans-serif;
  font-size: 16px;
}
.wrapper {
  width: 100%;
  position: relative;
  min-height: 1300px;
  background-color: yellow;
  -webkit-box-shadow: -10px 0 15px #000;
  -moz-box-shadow: -10px 0 15px #000;
  box-shadow: -10px 0 15px #000;
  -webkit-transition: -webkit-transform 0.2s ease;
  -moz-transition: -moz-transform 0.4s ease;
  -ms-transition: -ms-transform 0.4s ease;
  -o-transition: -o-transform 0.4s ease;
  transition: transform 0.4s ease;
}
.header1 {
  width: 100%;
  position: relative;
  min-height: 90px;
  clear:both;
  background: url(../images/tooplate_footer1.png) no-repeat; 
   -webkit-transition: -webkit-transform 0.2s ease;
  -moz-transition: -moz-transform 0.4s ease;
  -ms-transition: -ms-transform 0.4s ease;
  -o-transition: -o-transform 0.4s ease;
  transition: transform 0.4s ease;
}
input[type="checkbox"]:checked ~ .wrapper {
  -webkit-transform: translateX(250px);
  -moz-transform: translateX(250px);
  -ms-transform: translateX(250px);
  -o-transform: translateX(250px);
  transform: translateX(250px);
}
input[type="checkbox"]:not(:checked) ~ .wrapper {
  -webkit-transform: translateX(0);
  -moz-transform: translateX(0);
  -ms-transform: translateX(0);
  -o-transform: translateX(0);
  transform: translateX(0);
}
input[type="checkbox"]:checked ~ .header1 {
  -webkit-transform: translateX(250px);
  -moz-transform: translateX(250px);
  -ms-transform: translateX(250px);
  -o-transform: translateX(250px);
  transform: translateX(250px);
}
input[type="checkbox"]:not(:checked) ~ .header1 {
  -webkit-transform: translateX(0);
  -moz-transform: translateX(0);
  -ms-transform: translateX(0);
  -o-transform: translateX(0);
  transform: translateX(0);
}
@media only screen and (min-width: 35em) {
  .wrapper {
    max-width: 1000px;
    margin: 0 auto;
    -webkit-box-shadow: none;
    -moz-box-shadow: none;
    box-shadow: none;
  }
  .header1 {
    max-width: 1020px;
    margin: 0 auto;
   clear:both;
  }
and my html is following;-
 <body>
    <div class="wrapper">
    </div>
    <div class="header1"></div> 
   </body>
Now I am getting the page like

I want to remove this space.So,that two div class can join together. I have used margin-top:0px; but space is not removing..suggest me please.
 
     
    