html
{
    box-sizing: border-box;
    overflow: -moz-scrollbars-vertical;
    overflow-y: scroll;
}

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

body
{
    margin:0;
    background: #fafafa;
}

.login {
    margin: 20px auto;
    width: 300px;
    font-family: Arial;
    /* background-color: #3498DB; */
    /* padding: 50px; */
}

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

.app-title {
    text-align: center;
    color: #777;
}

.login-form {
    text-align: center;
}
.control-group {
    margin-bottom: 10px;
}

input.login-field {
    text-align: center;
    background-color: #ECF0F1;
    border: 2px solid transparent;
    border-radius: 3px;
    font-size: 16px;
    font-weight: 200;
    padding: 10px 0;
    width: 250px;
    transition: border .5s;
}

input.login-field:focus {
    border: 2px solid #3498DB;
    box-shadow: none;
}

.btn-login {
    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;
    cursor: pointer;
}

.btn-login:hover {
    background-color: #2980B9;
}

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