*, *::before, *::after {
    box-sizing: border-box;
  }

header{
    font-size: 2em;
    text-align:center;
}

header h1{
    font-size: 3em;
    color: #e74c3c;
    text-align: center;
}
.contact{
    font-size: 1em;
    text-align: center; 
    margin-left: 0; 
    margin-top: 20px;
}
body{
        font-family:'Arial', sans-serif;
        background-color: #2c3e50;
        color: #3498db;
        display:flex;
        flex-direction:column;
        align-items:left;
}

form{
    text-align:left;
    max-width: 470px;
    max-height:700px;
    padding: 20px;
    background-color: #34495e;
    border-radius: 1.5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}
form input{
    margin-bottom: 1rem;
}
form button {
    padding: 10px 15px;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

form button:hover {
    background-color: #2980b9;
}
a{
    display:block;
    color: #3498db;
    text-decoration: none;
    display: block;
    margin: 0 auto;
}

footer{
    bottom:0;
    position:fixed;
    text-align: center;
    width: 100%;
}
@media screen and (max-width: 500px) {
    header h1{
        font-size: 1.75em;
    }
    form {
      display: flex;
      flex-direction: column;
      margin-bottom:1em;
    }
  }