body {
    position: relative;
}

#form {
    margin: 50px;
    border: 5px solid wheat;
    width: 150px;
    height: 200px;
}

#filter {
    margin: 50px;
    border: 5px solid wheat;
    width: 150px;
    height: 350px;
}

#users {
    border: 5px solid wheat;
    margin-left: 20%;
    width: 70%;
    position: absolute;
    top: 0;
    -o-object-fit: cover;
    object-fit: cover;
    z-index: 1;
    display: block;
    table-layout: fixed;
    max-height: auto;
    overflow-y: scroll;
    height: 800px;
}

#city {
    position: absolute;
    z-index: 2;
    bottom: 10px;
    left: 10px;
}

#countUser {
    position: absolute;
    top: 0;
    right: 0;
    margin-right: 10px;
}

.card {
    float: left;
    margin-right: 10px;
    margin-bottom: 10px;
    height: 350px;
    width: 300px;
}