* {
    box-sizing: border-box;
}

    *:focus {
        outline: none;
    }

body {
    font-family: Arial;
    background-color: cornflowerblue;
    padding: 50px;
}

.login {
    margin: 20px auto;
    width: 300px;
}

.login-screen {
    background-color: aqua;
    padding: 20px;
    border-radius: 5px
}

.app-title {
    text-align: center;
    color: blue;
}

.login-form {
    text-align: center;
}

.control-group {
    margin-bottom: 10px;
}

input {
    text-align: center;
    background-color: white;
    border: 2px solid transparent;
    border-radius: 3px;
    font-size: 16px;
    font-weight: 200;
    padding: 10px 0;
    width: 250px;
    transition: border .5s;
}

    input:focus {
        border: 2px solid #3498DB;
        box-shadow: none;
    }
select {
    background-repeat: no-repeat;
    background-position: 300px;
    width: 250px;
    padding: 6px;
    margin-top: 8px;
    font-family: Cursive;
    line-height: 1;
    border-radius: 2px;
    color: black;
    font-size: 20px;
    -webkit-appearance: none;
    box-shadow: inset 0 0 10px 0 rgba(0,0,0,0.6);
    outline: none
}
.btn {
    border: 2px solid transparent;
    background: #3498DB;
    color: #ffffff;
    font-size: 16px;
    line-height: 25px;
    padding: 10px 0;
    text-decoration: none;
    text-shadow: none;
    border-radius: 3px;
    box-shadow: none;
    transition: 0.25s;
    display: block;
    width: 250px;
    margin: 0 auto;
}

    .btn:hover {
        background-color: chartreuse;
    }

.login-link {
    font-size: 12px;
    color: #444;
    display: block;
    margin-top: 12px;
}