input, select {
    height: 40px;
    margin: 10px 0;
    padding: 0 10px;
    width: 100%;
    box-sizing:border-box;
    border: 1px solid;
    border-radius: 10px;
}

select {
    height: 40px;
}

textarea {
    padding: 10px;
    resize: vertical;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    width: 100%;
    box-sizing: border-box;
    border-radius: 10px;
    background: 
}

.form {
    display: flex;
    flex-direction: column;
}

#formContainer {
    width: 100%;
    align-content: flex-start;
}

.invalid {
    border: 2px solid red;
}

.button {
    display: inline-block;
    height: 48px;
    letter-spacing: 1px;
    font-family: var(--font-main);
    font-size: 14px;
    padding: 10px 24px;
    border-radius: 50px;
    cursor: pointer;
    margin: 25px 5px;
    border: 1px solid var(--color-zyn-darkcyan);
    background-color: var(--color-zyn-darkcyan);
    color: var(--color-zyn-white);
}

    .button:hover {
        background: var(--color-zyn-neon-green);
    }

    .button:active {
        background: var(--color-zyn-darkcyan-light);
    }

.banner-button {
    width: auto;
    margin-top: 20px;
    margin-bottom: 0;
}

@media screen and (max-width: 770px) {

    .horizontal-split {
        flex-direction: column;
    }

        .horizontal-split div {
            width: 100%;
        }

}