@media (max-width: 815px) {
   #site__box {
		width: 100%;
   }

   #header {
   		margin: 0px;
   		left: 0px;
		width: 100%;
      position: relative;
   }

   #header h1 {
   	width: auto;
   }

   #header h2 {
   	width: auto;
   }

   #nav {
   		width: 100%;
   		height: auto;

   }

   #nav ul {
   		width: 95%;
   		height: auto;
   		display: block;
   		justify-content: left;
   		float: left;
   		margin-bottom: 10px;
   }

   #nav li {
   	width: 30;
   }

   #main__box {
   	margin: 0px;
      margin-top: 20px;
   	width: 100%;
   	height: auto;
   	min-height: 0px;
   }

   .download_box h3 {
      margin: 0px;
      margin-left: -23px;
      margin-top: -65px;
      height: auto;
      padding: 0px;
   }

   .input__signin {
      width: 90%;
      height: 50px;
      font-size: 22px;
   }

   .input__signin::placeholder {
      font-size: 22px;
   }

   .input__button:hover {
      width: 80%;
   }

   .input__signin:focus {
      width: 80%;
      box-shadow: none;
   }

   #aside__box {
   	margin:0px;
   	position: relative;
   	min-height: 0px;
   	width: 100%;
   }

   #aside__box a {
   	font-size: 18px;
   	font-weight: bold;
   }

   #nav a {
   	width: auto;
   	display: inline-block;
   }

@media (max-width: 500px) {
   .download_box h3 {
      padding: 10px;
      font-size: 20px;
      height: auto;
      line-height: 20px;
      width: auto;
   }
}

@media (max-width: 400px) {
	#main__box {
      margin: 0px;
      margin-top: 20px;
      width: 100%;
      height: auto;
      min-height: 0px;
   }

	#logo {
		display: none;
	}
}