* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    overflow: hidden;
}

.main__button {
    background-color: #fff;
    border: 2px solid #4c90af;
    color: #4577a0;
    font-size: 16px;
    padding: 12px 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    border-radius: 10px;
    margin: 10px auto;
    text-align: center;
}

.main__button:hover {
    background-color: #4c90af;
    color: #fff;
}

.form__button {
    width: auto;
    padding: 10px 20px;
}

.card__button {
    border: 1px solid #4c90af;
}

.dropdown {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #d4ebf9;
    width: 100%;
    padding: 20px 0;
    position: absolute;
    top: 100px;
    left: 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.dropdown.show {
    visibility: visible;
    opacity: 1;
}

.modal {
    display: flex;
    visibility: hidden;
    opacity: 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 0.3s ease-in-out;
}

.modal.show {
    visibility: visible;
    opacity: 1;
}

.about__methods {
    height: auto;
}