* {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    box-sizing: border-box;
}
body {
    min-height: 200vh;
}
.body--fixe {
    overflow-y: hidden;
}
.btn-open {
width: 300px;
height: 50px;
font-size: 20px;
cursor: pointer;
}
.modal {
    position: fixed;
    inset: 0;
    z-index: 2;
    display: none;
    align-items: center;
    justify-content: center;
    background-color: #000000c1;
    opacity: 0;
    visibility: hidden;
    transition: all .3s;
}
.modal--open {
    display: flex;
    opacity: 1;
    visibility: visible;
}
.modal__window {
    position: relative;
    width: 50vw;
    min-height: 40vh;
    padding: 50px 20px 20px 20px;
    background-color: white;
    border-radius: 12px;
}

.modal__close-btn {
    position: absolute;
    display: block;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 4px;
    cursor: pointer;
    border-radius: 12px;
    background-color: black;
    transform-origin: 0% 0%;
    transform: rotate(45deg)
}
.modal__close-btn::before{
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    cursor: pointer;
    border-radius: 12px;
    background-color: black;
    transform-origin: 50% 50%;
transform: rotate(90deg);
}