siteWeb/stylepage.css

body{
    background-color: #e5e5e5;
    margin: 20px;
    text-align: center;
}

.logo{
    display: block;
}

h1{
    margin: 40px;
    font-weight: bold;
    color: #454545;
}

p{
    font-weight: bold;
    color: #454444;
    font-size: 20px;
    height: 20px;
}

form{
    width: 400px;
    position: relative;
    background-color: #ffffff;
    display: block;
    margin: auto;
    border-radius: 30px;
    padding: 20px;
}

.container-champ{
    position: relative;
}

.container-champ small{
    display: none;
    color: red;
}

.champ{
    background-color: inherit;
    display: flex;
    position: relative;
    flex-direction: row-reverse;
    text-align: center;
    color: #454444;
    display: block;
    margin: 10px auto;
    border: 4px solid #4e4d4d;
    padding: 10px 10px;
    width: 200px;
    border-radius: 30px;
    transition: 0.25s;
}

.entry{
    border: none;
    resize: none;
    outline: none;
    width: 100%;
    text-align: inherit;
    background-color: inherit;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.champ:focus, .champ:hover{
    width: 300px;
    border-color: #2ecc71;
    background-color: #dddddd;
}

.champ img{
    display: none;
    position: relative;
    float: right;
    width: 20px;
    bottom: 20px;
    right: 20px;
}

.submit:hover, .submit:focus{
    width: 250px;
    background-color: rgba(46, 204, 113, 0.3);
    border-color: #2ecc71;
}

.help{
    display: none;
    margin: 0;
    background-color: #22e6b5;
}