body { 
  background-size: cover;
  font-family: sans-serif;
  margin: 100px;
  padding:0;
  text-align: center;
  background-color: #0f5357;
}
h1{
 border-radius: 3px;
    color:black;
    padding:10px;
    margin:0 auto;
    width: 200px;
    font-size: 28px;
    text-align: center;
}
form{
    background-color:#0f5357;
    border-radius: 10px;
    color:black;
    padding:20px;
    margin:0 auto;
    width: 300px;
    font-size: 30px;
    border: solid 4px #000;
}
input{
    border: 0;
    outline: none;
    width: 280px;
    font-size: 30px;
}
.field{
border: solid 1px #ccc;
padding: 10px;
    
}
button{
    width: 100%;
    background: none;
    border: 2px solid #000;
    color:black;
    padding: 5px;
    font-size: 30px;
    margin: 10px 0;
}