body {
  font-family: sans-serif;
  background-color: #f9fafb;
  color: #1f2937;
  margin: auto;
}

a {
  color: #2563eb;
  text-decoration: none;
}

main{
  max-width: 768px;
  margin: auto;
}

a:hover {
  text-decoration: underline;
}

input, textarea, select, button {
  display: block;
  margin: 8px 0 16px 0;
  width: 100%;
  padding: 8px;
  border: 1px solid #d1d5db;
  border-radius: 4px;
}

button {
  background-color: #2563eb;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background-color: #1d4ed8;
}

ul {
  list-style: none;
  padding-left: 0;
}

#header_img img{
  width: 150px;
}


.header_top{
  background-color: #fff;
  border-bottom: 2px solid #2B88CD;
  box-shadow: 0 0 2px 0 #4d4d4d;
}

header img{
  max-width: 150px;
}

.header_awiki img{
  max-width: 80px;
}

main{
  margin-top: 20px;
}

.header_div{
  max-width: 750px;
  margin: 0 auto;
}

#notifToggle{
  background-color: unset;
  border: none;
  margin: 0;
  padding: unset;
}

.application button{
  background-color: unset;
}

footer{
  margin-top: 300px;
  text-align: center;
}