* {
    box-sizing: border-box;
}
         

body {
  background-image: url("Images/Art%20Smart%20site%20background.jpg");
  margin: 0 auto;
}

        
.mainBanner{
  min-width: 100%;
  border: 0;
  margin-bottom: 0;
}


a {
    text-decoration: none;
    color: inherit;
}
    
#submitbutton {
  font-family: "Arial";
  font-size: 18px;
  background-color: lightgreen;
  height: 40px;
  width: 100px;
  display: block;
  margin: auto;
  position: relative;
  z-index: 1;
}

#contact {
  text-align: center;
  background-color:rgb(100,100,100);
  margin: 5px auto;
  margin-bottom: 20px;
  padding-top: 5px;
  padding-bottom: 20px;
}
  
#contact_button {
  font-family: "Arial";
  font-size: 18px;
  background-color: lightcoral;
  height: 40px;
  width: 250px;
  display: block;
  margin: auto;
}

nav ul {
  background-color: #333;
  overflow: hidden;
  color: white;
  padding: 0;
  margin-top: -6px;
  border: 0;
  text-align: center;
  -webkit-transition: 0.5s;        
}
        
nav ul li {
  display: inline-block;
  padding: 13px 23px 13px 23px;            
  font-family: Arial;
  font-size: 15px;  
}

        
nav ul li:hover {
  background-color: #777;
}
        
.handle {
  width: 100%;
  height: auto;
  background-color: #777;
  text-align: center;
  box-sizing: border-box;
  padding: 10px;
  cursor: pointer;
  color: white;
  display: none;
}

.menuIcon {
  width: 26px;
  height: 3px;
  background-color: white;
  margin: 0 0 6px 0;
  /*padding: 0;*/
} 

@media screen and (max-width: 760px){
  #navList.hidden {
    max-height: 0px;
  }
  #navList.showing {
    max-height: 1500px;
  }
  li.menu {
    box-sizing: border-box;
    width: 100%;
    padding: 15px;
    padding-left: 30px;
    text-align: left;
  }
  .menu.handle {
    display: block;
    margin: 0;
    margin-top: -6px;
    max-height: 40px;
  }

}


@media screen and (min-width: 760px){
  body {
    width: 960px;
    margin: auto;
    float: none;
  }      
  #contact {
    width: 50%;
  }
}