body {
    margin: 0;
    padding: 0;
    height: 100vh;
    display: grid;
    place-items: center;
    background: rgb(149, 216, 149);
}
.btn {
    width: 150px;
    height: 50px;
    outline: none;
    border: none;
    border-radius: 15px;
    cursor: pointer;
}
.btn:hover {
    opacity: 0.8;
}
.btn--open {
    background: rgb(70, 70, 157);
    color: black;
    font-size: 25px;
}
.btn--login {
    background: blue;
    color: #fff;
}

.btn--signup {
    background: blue;
    color: #fff;
}
.btn--close {
    background: red;
    width: 40px;
    height: 35px;
    position: absolute;
    top: 5px;
    right: 5px;
}
.input {
    height: 50px;
    outline: none;
    border: 1px solid #ddd;
    padding: 15px;
    box-sizing: border-box;
    border-radius: 5px;
    display: block;
    margin-bottom: 15px;
    color: rgba(0, 0, 0, 0.5);
}
.login {
    position: fixed;
    align-items: center;
    width: 100%;
    height: 100%;
    display: none;
    justify-content: center;
    background: rgba(108, 141, 108, 0.5);
}
.login_form {
    background: white;
    padding: 50px;
    position: relative;
    border-radius: 10px;
    position: absolute;
    top: 50%;
    left: -100%;
    transform: translate(-50%, -50%);
    transition: left 0.2s ease;
}

.signup {
    position: fixed;
    align-items: center;
    width: 100%;
    height: 100%;
    display: none;
    justify-content: center;
    background: rgba(108, 141, 108, 0.5);
}
.signup_form {
    background: white;
    padding: 50px;
    position: relative;
    border-radius: 10px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: left 0.2s ease;
}