* {
  box-sizing: border-box;
}

html, body {
    margin: 0px;
    padding: 0px;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    background-color: rgb(215, 215, 215);
  }


#toolname {
  margin: 20px 110px 0px;
  padding: 0px;
}


#page-logo {
  display: inline-block;
}

.menu {
  display: inline-block;
}

#SPASE-mini-logo {
  display: inline-block;
  height: 50px;
  margin:0px;
  padding:15px;
}



#INRS-logo{
  margin: 10px 10px;
  height: 30px;
  padding:0px;
}





.main-menu{
  margin: 12px 0px 0px;
  float:left;

}

.header {
    top:0px;
    left:0px;
    right:0px;
    height: 50.3px;
    text-align: center;
    position: fixed;
    width: 100%;
    background: #101a21;
    z-index: 10;
    min-width: 800px;
  }

.menu-item {
    font-size: 20px;
    color:white;
    margin: 0px;
    padding:15px;
    text-decoration:none;
  }

.menu-item:hover,  #version-history:hover {
    color:black;
    text:bold;
    background-color: #c0d6ff;
  }

  #version-history
  {
    color:black;
    font-size: 20px;
    background-color: #3d6ec9;
    margin: 0px;
    padding:15px;
    text-decoration: none;
  } 

  .mini-logo-container {
    background-color: transparent;
    display: inline-block;
    float: left;
    height:50px;
  
  }

 .mini-logo-container:hover {
  background-color: #c0d6ff;
 } 

#SPASE-mini-logo:hover {
    filter:brightness(0%);
  }

  .footer {
    position:fixed;
    margin: 0px;
    bottom:0px;
    left: 0px;
    right:0px;
    width: 100%;  
    height: 30px;
    background-color: #101a21;
    z-index: 10;
  }
  
  .footer-note {

    display: inline-block;
    padding: 2px;
    margin:7px 12px;
    color:white;
    z-index: 11;
    max-width: 50%;
    left: 0px;
    position: fixed;
  }

  .contact-us {
    display: inline-block;
    position:fixed;
    padding: 2px;
    margin:7px 12px;
    color:white;
    z-index: 12;
    text-align:right;
    position: fixed;
    right: 0px;
  }

  /* end of header and footer */

  .main-content {
    margin: 100px 200px;
    height: 100%;
    display:flex;
  }

  #main-title {
    display: block;
    font-weight:1000;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    width: 100%;
    padding: 0px;
    margin: 0px 0px 20px;
  }

  .version-list {
    display: flex;
    align-self: flex-start;
    flex: 1 1 40%;
    flex-direction: column;
    width: 100%;
  }

  .right-picture{
    position:flex;
    text-align: right;
    justify-content: flex-end;
    flex: 1 1 60%;
  }
  
  #SPASE-logo {
    position: fixed;
    right: 200px;
    width: calc(60% - 250px);
    display: block;
    text-align: right;
  }
  
  .version-info {
    font-size: 1vw;
    flex-direction:row;
  }

  li {
    font-size: 0.8vw;
  }