File: app/css/style.css

body, html {
    margin : 0; padding : 0; font-size: 100%;
}
#alert {
    padding: 20px;
    width: 200px;
    text-align: center;
    margin-top: 10px;
    margin: auto;
    display: block;
}
.cross {
    color : green;
    font-size : 30px;
}
.tick {
    color : red;
    font-size : 30px;    
}
#form-1 {
    width: 600px;
    margin: auto;
    font-size : 1.5rem;
    margin-top : 20px;
}
label {
    margin: 10px 0;
    display: inline-block;
}
input {
    font-size: 1.5rem;
    width: 100%;
    display: block;
}
.message {
    padding: 5px 20px;
}
.error {
    background: red;
    color: white;
    font-size: 1.2rem;
    display: inline-block;
    position: relative;
    bottom: 5px;
}
.success {
    background: green;
    color: white;
    font-size: 1.4rem;
    display: inline-block;
    position: relative;
    bottom: 5px;
}