html {
    width: 100%;
    height: 100%;
    font-size: 16px;
}

body {
    font-family: sans-serif;
    color: black;
}


main {
    margin: 2rem;
}

.alert {
    max-width: 20rem;
    margin: 1rem auto;
    border: 1px solid;
    border-radius: 0.2rem;
    padding: 0.7rem 1.5rem;
}

.alert.success {
    background-color: #60B044;
    border-color: #5CA941;
}

.alert.error {
    background-color: #E74C3C;
    border-color: #C0392B;
}


h1 {
    margin-bottom: 1rem;
    font-size: 2.5em;
    text-align: center;
}

h2 {
    margin-bottom: 0.5rem;
    font-size: 2rem;
    text-align: center;
}

h3 {
    margin-bottom: 0.2rem;
    font-size: 1.5rem;
    text-align: center;
}


form#login {
  max-width: 16rem;
  margin: 5rem auto;
  border-radius: 0.2rem;
  border: 1px solid #CCC;
  padding: 2rem 2.5rem 1.5rem 2.5rem;
}

form#login > label {
  display: block;
  margin: 1rem 0 0.25rem 0;
  color: #666;
  font-size: 0.9rem;
  font-weight: bold;
}

form#login > input {
  display: block;
  width: 100%;
  border: 1px solid #CCC;
  border-radius: 0.2rem;
  padding: 0.4rem 0.6rem;
  vertical-align: middle;
  background-color: #FAFAFA;
  box-shadow: inset 0 1px 3px #DDD;
  box-sizing: border-box;
  font-size: 1rem;
}

form#login > input:focus {
  border-color: #51A7E8;
  background-color: #FFF;
  outline: 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.075) inset, 
              0 0 5px rgba(81, 167, 232, 0.5);
}

form#login > button {
  display: block;
  margin: 2rem 0 0.5rem 0;
  border: 1px solid #5CA941;
  border-radius: 0.2rem;
  padding: 0.5rem 0.7rem;
  vertical-align: middle;
  background-color: #60B044;
  background-image: linear-gradient(#8ADD6D, #60B044);
  box-sizing: border-box;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  color: #fff;
  font-size: 0.9rem;
  font-weight: bold;
  text-align: center;
  text-decoration: none;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.3);
}

form#login > button:focus,
form#login > button:hover {
  border-color: #4A993E;
  background-color: #569E3D;
  background-image: linear-gradient(#79D858, #569E3D);
}


#products {
    display: inline-block;
    margin: 4rem auto;
    max-width: 50%;
}

#products > button {
    display: inline-block;
    width: 15rem;
    height: 7rem;
    margin: 0 1rem 1rem 0;
    padding: 0.5rem 0.7rem;
    white-space: nowrap;
    font-size: 1.5rem;
}

#products > button > span {
    display: block;
}

#basket {   
    display: inline-block;
    float: right;
    margin: 4rem auto;
    min-width: 30%; 
}

#basket > button {
    display: block;
    width: 15rem;
    height: 3rem;
    margin-bottom: 0.3rem;
    padding: 0.2rem 0.5rem;
    font-size: 1.3rem;
}

#sell {
    display: inline-block;
    float: right;
    margin: auto;
    min-width: 30%; 
}

#sell > button {
    display: block;
    width: 15rem;
    height: 3rem;
    padding: 0.2rem 0.5rem;
    font-size: 1.3rem;
}