body {
    margin: 0;
}

:root {
    --green: rgb(33, 157, 33);
    --red: rgb(175, 19, 19);
}

* {
    font-family: Arial;
}

header {
    padding-top: 20px;
    padding-bottom: 20px;
    padding-left: 40px;
    padding-right: 40px;
    color: white;
    background-color: black;
    display: flex;
    justify-content: space-between;
}

.nav-link {
    text-decoration: none;
    color: white;
    font-weight: bold;
    font-size: 36px;
}

.main-content {
    text-align: center;
}

.result-div {
    display: flex;
    flex-direction: row;
    justify-content: center;
}

#request_result {
    padding: 20px 30px;
    margin-top: 10px;
    margin-bottom: 50px;
    margin-left: 15px;
    margin-right: 15px;
    background-color: var(--green);
    border-radius: 15px;
    border: 5px double rgb(2, 2, 2);
    color: white;
    min-width: 200px;
    text-align: center;
    opacity: 0;
}

form {
    padding: 50px 20px;
    text-align: center;
}

.form-content {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
}

.form-content-sub {
    display: flex;
    flex-direction: column;
    text-align: left;

}

label {
    margin-top: 40px;
    font-size: 20px;
}

input, select {
    height: 40px;
    width: 200px;
}

button {
    width: 300px;
    height: 50px;
    margin-top: 40px;
    background-color: rgb(32, 91, 149);
    color: white;
    border-radius: 15px;
    border: 2px solid black;
}

@media only screen and (max-width: 768px) {
    .form-content {
        flex-direction: column;
    }

    input, select {
        width: 100%;
    }
}