body {
    background-color: #292931;
}
#login {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30%;
}

/* Portrait and Landscape */
@media only screen
  and (min-device-width: 320px)
  and (max-device-width: 480px)
  and (-webkit-min-device-pixel-ratio: 2) {
    #login {
       width: 60%;
    }
    #login input {
        font-size: 1.6em;
    }

}

@media screen and (max-width: 670px) {
    #login {
       width: 60%;
    }
}

#login h2 {
    text-align: center;
    color: white;
    font-family: sans-serif;
    font-size: 2em;
}
#login input[type="text"], #login input[type="password"], #login input[type="submit"] {
    display: block;
    width: 100%;
    height: 3.3em;
    padding: 10px;
    font-size: 1em;
    font-family: sans-serif;
    color: white;
    background: rgba(0, 0, 0, 0.3);
    outline: none;
    border: 1px solid rgba(0, 0, 0, 0.3);
    border-radius: 5px;
    box-shadow: inset 0 -5px 45px rgba(100, 100, 100, 0.2), 0 1px rgba(255, 255, 255, 0.2);
    margin-bottom: 10px;
    padding-left: 20px;
    box-sizing: border-box;
}
#login input[type="checkbox"] {
    display: inline-block;
    width: 10%;
    height: 1.4em;
    font-size: 1em;
    box-sizing: border-box;
}
#login label {
    color:white;
    font-size: 1em;
    font-family: sans-serif;
}
#login a {
    color: red;
    font-size: 1.2em;
    font-family: sans-serif;
}

@media screen and (max-width: 670px) {
    #login input{
       font-size: 1.8em;
    }
}

#login #login-btn {
    width: 110%px;
    background: #55acee;
    font-size: 1em;
    text-align: center;
    vertical-align: middle;
    line-height: 20px;
    cursor: pointer;
}