* {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    box-sizing: border-box;
    background-color: rgb(232, 232, 229);
}

.body {
    min-height: 200vh;
}

.body--fixed {
    overflow-y: hidden;
}

.btn-open {
    min-width: 20vw;
    min-height: 10vh;
    font-size: 2em;
    border-radius: 30px;
    margin: 20px 30px;
    cursor: pointer;
}

.modal {
    background-color: rgba(52, 49, 49, 0.669);
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
    position: fixed;
    background-color: rgba(111, 115, 114, 0.756);
    opacity: 0;
    visibility: hidden;
    transition: all .5s;
}

.modal--open {
    opacity: 1;
    visibility: visible;
}

.modal__window {
    min-height: 50vh;
    max-width: 40vw;
    background-color: rgb(222, 240, 255);
    position: relative;
    padding: 100px 40px 40px 40px;
    font-size: 2em;
    border-radius: 20px;
}

.modal__btn-close {
    font-size: 3em;
    color: black;
    position: absolute;
    top: 5px;
    right: 20px;
    background: none;
    cursor: pointer;
}