* {
    padding: 0;
    margin: 0;
}

body {
    background-color: #a8c9dc;
}

.left-cloud {
    position: absolute;
    bottom: 0;
    width: 37%;
}

.right-cloud {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 37%;
}

.cloud1 {
    position: absolute;
    top: 20%;
    left: 20%;
    width: 10%;
}

.cloud2 {
    position: absolute;
    top: 12%;
    right: 20%;
    width: 10%;
}

.cloud3 {
    position: absolute;
    right: 30%;
    bottom: 20%;
    width: 10%;
}

.plane-login {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    width: 480px;
    min-height: 350px;;
    background-color: #ffffff;
    border-radius: 10px;
}

.login-form {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 280px;
    transform: translate(-50%, -50%);
}

.btn-login {
    padding: 10px 50px;
    margin-left: 50%;
    transform: translateX(-50%);
    background-color: #a8c9dc;
    border: 0;
    margin-top: 5px;
}

.form-title {
    width: 100%;
    margin-bottom: 10px;
}

.form-control {
    height: 40px;
    width: 260px;
    margin: 10px;
    border-color: #a8c9dc;
}