body {
  padding: 25px;
  background-color: rgb(240, 240, 240);
  color: rgb(53, 53, 53);
  font-size: 25px;
  font-family: monospace;
}

.dark-mode {
  background-color: rgb(53, 53, 53);
  color: rgb(240, 240, 240);
}

a, button,input[type=submit],input[type=reset] {
    
    font-family: sans-serif;
    font-size: 15px;
    background: #5e5e5e;
    border: white 3px solid;
    border-radius: 5px;
    width: 250px;
    padding: 5px 10px;
    margin:5px;
}
a {
    text-decoration: none;
}
a:hover, button:hover, input[type=submit]:hover, input[type=reset]:hover{
    opacity:0.9;
}