html { 
  background: black no-repeat fixed;
  -webkit-background-size: cover; /* pour Chrome et Safari */
  -moz-background-size: cover; /* pour Firefox */
  -o-background-size: cover; /* pour Opera */
  background-size: cover; /* version standardisée */
  color: white;
  width: 100%;
  overflow-x: hidden;


}

@media screen and (max-width:1400px) {
    html {

        overflow-x: auto;

    }
}


.title_index{


    margin-top:80px;
    margin-bottom:80px;
    text-align: center;
    font-size: 20px;
    font-family:"trebuchet MS", sans-serif;
    text-shadow:0px 0px 0 rgb(162,151,151),0px 1px 0 rgb(126,115,115), 0px 2px 0 rgb(91,80,80),0px 3px 2px rgba(0,0,0,0.7),0px 3px 1px rgba(0,0,0,0.5),0px 0px 2px rgba(0,0,0,.2);


}


/*.abstract_index{*/

    /*min-width: 980px;*/
    /*width:100%;*/
    /*height:40%;*/
    /*font-family:"Segoe print", Arial, sans-serif;*/
    /*line-height: 1em;*/
    /*color: #cfc4c4;*/
    /*font-size: 17px;*/

/*}*/



.menu{



    border-top: 3px solid #747474;
    border-bottom: 3px solid #747474;
    display: inline-block;
    height: 56px;
    margin-top: -11px;
    padding-top: 4px;
    width: 100%;
    min-width: 1400px;



    background: linear-gradient(#444, #111) repeat scroll 0 0 rgba(0, 0, 0, 0);
    background: #444;
    background: -moz-linear-gradient(#444, #111);
    background: -webkit-gradient(linear,left bottom,left top,color-stop(0, #111),color-stop(1, #444));
    background: -webkit-linear-gradient(#444, #111);
    background: -o-linear-gradient(#444, #111);
    background: -ms-linear-gradient(#444, #111);
    background: linear-gradient(#444, #111);





   }




/* entete planck*/
 #planck{

   background: rgba(0, 0, 0, 0) url("../img/plancktest.jpg") no-repeat scroll center center / 100% auto;
    display: block;
    float: left;
    height: 0;
    margin-top: -8px;
    outline: medium none;
    padding: 50px 250px;
    width: 0;
}

/* Logo Menu*/

.title_muffins
{
    font-family: "trebuchet MS",sans-serif;
    font-size: 4.5em;
    letter-spacing: 10pt;


}



.home{

	background:url(../img/home.png) no-repeat scroll center center / 100% auto;
    width: 50px;
    height: 50px;
    border:none;
    cursor: pointer;
    float: left;
    margin-left:-20px;


}
/*muffins*/
.muffins_logo{

	background:url(../img/muffin_logo.png)no-repeat scroll center center / 100% auto;
    width: 50px;
    height: 50px;
    border:none;
    cursor: pointer;
    float: left;
    margin-left:28px;

}
/*serach*/
.search{

	background:rgba(0, 0, 0, 0) url("../img/search.png") no-repeat scroll 5px -1px / 95% auto;
    width: 60px;
    height: 60px;
    border:none;
    cursor: pointer;
    float: left;
    margin-left:20px;
}

 /*upload*/
.upload{

	background:url(../img/upload.png) no-repeat scroll center center / 135% auto;
    width: 70px;
    height: 50px;
    border:none;
    cursor: pointer;
    float: left;
    margin-left:20px;
}


 /*Fu status*/
.fustatus{

	background:url(../img/upload2.png) no-repeat scroll center center / 100% auto;
    width: 50px;
    height: 50px;
    border:none;
    cursor: pointer;
    float: left;
    margin-left:20px;

}
/* Logo django*/
.django-logo{

    background: rgba(0, 0, 0, 0) url("../img/django-logo.png") no-repeat scroll center center / 100% auto;
    border: medium none;
    cursor: pointer;
    float: left;
    height: 50px;
    margin-left: 20px;
    width: 75px

}

 /*admin projet*/
.adminproject_button{

	background: url("../img/admin.png") no-repeat scroll center center / 105% auto;
    width: 60px;
    height: 50px;
    border:none;
    cursor: pointer;
    float: left;
    margin-left:20px;
}

 /*login*/

.login{

	background:rgba(0, 0, 0, 0) url("../img/login.png") no-repeat scroll -5px -5px / 110% auto;
    width: 60px;
    height: 60px;
    cursor: pointer;
    border: none;
    float: right;
    margin-right: 40px;
    /*margin-right: 50px;*/
}

/*email*/

.email{

	background: rgba(0, 0, 0, 0) url("../img/email.png") no-repeat scroll -10px -10px / 120% auto;
    width: 60px;
    height: 60px;
    cursor: pointer;
    border: none;
    float: right;
    margin-right: 20px;

}


/*help*/
.helpmuffin{

	background:url(../img/helpmuffin.png) no-repeat scroll center center / 100% auto;
    width: 50px;
    height: 50px;
    cursor: pointer;
    border: none;
    float: right;
    margin-right: 20px;


}

/*help*/
.exit{

	background:url(../img/exit.png) no-repeat scroll center center / 100% auto;
    width: 50px;
    height: 50px;
    cursor: pointer;
    border: none;
    float: right;
    margin-right: 40px;
    /*margin-right: 45px;*/

}

/*footer*/




/*logo cnrs*/
.logo-cnrs{

    height: 60px;
    margin-left: 40%;
    width: 60px;
    border:none;
    background: rgba(0, 0, 0, 0) url("../img/logo-cnrs.png") no-repeat scroll 0 0 / 100% auto;


}

/*logo cnes*/

/*.logo-cnes{*/

    /*background:url(../img/logo-cnes.png) no-repeat;*/
    /*height: 70px;*/
    /*margin-left: 250px;*/
    /*width: 200px;*/
    /*background-size: 100%;*/
    /*border: none;*/


/*}*/

/*logo irap*/

.logo-irap{

    background:url(../img/logo-irap.png) no-repeat;
    height: 70px;
    margin-left: 10%;
    width: 150px;
    background-size: 100%;
    border: none;


}

/*login user haut de page*/
#userlog{

    float: right;
    font-family: "trebuchet MS",sans-serif;
    font-size: 1.3em;
    letter-spacing: 3pt;


}


/*carre acceuil*/

.plop {
  width: 40%;
  min-width: 40%;
  display: flex;
  flex-flow: row wrap;
  justify-content: space-between;
  align-items: stretch;

}




.plop {
  resize: both;
  overflow: auto;
  min-height: 15em;
}
.plop > div {

  border: 2px solid #666666;
  border-radius: 1px;

  height: 200px;
  margin-right: 2px;
  margin-top: 20px;
  width: 200px;

  background: #6c7073;
  background-image: -webkit-linear-gradient(top, #6c7073, #232526);
  background-image: -moz-linear-gradient(top, #6c7073, #232526);
  background-image: -ms-linear-gradient(top, #6c7073, #232526);
  background-image: -o-linear-gradient(top, #6c7073, #232526);
  background-image: linear-gradient(to bottom, #6c7073, #232526);


  text-shadow: 1px 1px 3px #666666;


}


.square-box{
    background: #6c7073 linear-gradient(to bottom, #6c7073, #232526) repeat scroll 0 0;
    float: left;
    margin: 5px;
    overflow: hidden;
    position: relative;
    text-shadow: 1px 1px 3px #666666;
    width: 140px;
}
.square-box:before{
    content: "";
    display: block;
    padding-top: 100%;
}
.square-content{
    position:  absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    color: white;
}
.square-content div {
   display: table;
   width: 100%;
   height: 100%;
}
.square-content a {
    display: table-cell;
    text-align: center;
    vertical-align: middle;
    color: white;
    font-family:trebuchet MS,sans-serif;
    letter-spacing: 2pt;
    text-decoration:none;
    font-size: 25px;
}

.square-content a:hover{

    background: #FC7E00;
    background: linear-gradient( #F7B97B, #FC7E00);
    background: -webkit-linear-gradient( #F7B97B, #FC7E00);
    background: -moz-linear-gradient( #F7B97B, #FC7E00);
    background: -ms-linear-gradient( #F7B97B, #FC7E00);
    background: -o-linear-gradient( #F7B97B, #FC7E00);
    background: linear-gradient( #F7B97B, #FC7E00);

}