.body{
    font-family: Arial, Helvetica, sans-serif;

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

.btn-open{
    width: 400px;
    height: 50px;
    font-size: 20px;
    cursor: pointer;
    background-color: #f1c78c;
    border-radius: 20px;
    border: 2px solid #fadfba;;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.modal{
    position: fixed;
    inset: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #eedbc07a;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s;
}
.modal--open{
    opacity: 1;
    visibility: visible;
}
.modal__window{
    position: relative;
    width: 40vw;
    min-height: 40vh;
    padding: 50px 20px 20px 20px;
    background: #ffffff;
    border-radius: 10px;
}
.modal__window img{
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
}
.modal__close-btn{
    position: absolute;
    top: 5px;
    right: 10px;
    width: 30px;
    height: 30px;
    font-size: 20px;
    background: #fff;
    border: none;
    cursor: pointer;
}