Форма №4

<link href="https://fonts.googleapis.com/css?family=Source+Sans+Pro" rel="stylesheet" type="text/css" />

<form>
    <h4>Вход</h4>
    <input class="name" type="text" placeholder="Введите логин" />
    <input class="pw" type="password" placeholder="Введите пароль" />
    <li><a href="#">Забыли пароль?</a></li>
    <input id="submit" class="button" type="submit" value="Войти" />
</form>

* {
    margin: 0;
    padding: 0;
    font-family: "Source Sans Pro", sans-serif;
}

form {
    position: relative;
    width: 360px;
    height: 250px;
    margin: 50px auto;
    text-align: center;
    background: #ecf0f1;
    padding: 40px;
    -webkit-border-radius: 20px 0 0 0;
    -moz-border-radius: 20px 0 0 0;
    border-radius: 20px 0 0 0;
    -webkit-box-shadow: 0px 1px 0px #ad392d, inset 0px 1px 0px white;
    -moz-box-shadow: 0px 1px 0px #ad392d, inset 0px 1px 0px white;
    box-shadow: 0px 1px 0px #ad392d, inset 0px 1px 0px white;
    -webkit-box-shadow: 20px 20px 20px;
    -moz-box-shadow: 20px 20px 20px;
    box-shadow: 20px 20px 20px;
}

h4 {
    font-family: "Source Sans Pro", sans-serif;
    font-size: 2em;
    font-weight: 300;
    margin-bottom: 25px;
    color: #7f8c8d;
    text-shadow: 1px 1px 0px white;
}

input {
    display: block;
    width: 315px;
    padding: 14px;
    -webkit-border-radius: 6px;
    -moz-border-radius: 6px;
    border-radius: 6px;
    border: 0;
    margin-bottom: 12px;
    color: #7f8c8d;
    font-weight: 600;
    font-size: 16px;
}

input:focus {
    background: #fafafa;
}

li {
    position: absolute;
    right: 40px;
    bottom: 62px;
    list-style: none;
}

a,
a:visited {
    text-decoration: none;
    color: #7f8c8d;
    font-weight: 400;
    text-shadow: 1px 1px 0px white;
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}

.button {
    position: relative;
    float: left;
    width: 145px;
    margin-top: 10px;
    background: #3498db;
    color: #fff;
    font-weight: 400;
    text-shadow: 1px 1px 0px #2d7baf;
    -webkit-box-shadow: 0px 3px 0px #2d7baf;
    -moz-box-shadow: 0px 3px 0px #2d7baf;
    box-shadow: 0px 3px 0px #2d7baf;
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    -o-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}