#mask {
    position:fixed;
    top:0;
    left:0;
    background:rgba(0,0,0,0.6);
    z-index:1000;
    width:100%;
    height:100%;
    display:none;
}

.popup:target, .popup:target + #mask{
    display:block;
    opacity:2;
}

.popup {
    z-index: 999;
    position: fixed;
    top: 50%;
    left: 50%;
    display: none;
    transform:translate(-50%, -50%) scale(1.25);
    width: 380px;
    padding: 20px 30px;
    background: #2D343F;
    box-shadow: 2px 2px 5px 5px rgba(0, 0, 0, 0.15);
    border-radius: 10px;
    transition: top 0ms ease-in-out 200ms,
    opacity 200ms ease-in-out 0ms,
    transform 20ms ease-in-out 0ms;
}

.popup.active {
    top: 50%;
    display: block;
    transform: translate(-50%, -50%) scale(1);
    transition: top 0ms ease-in-out 0ms,
    opacity 200ms ease-in-out 0ms,
    transform 20ms ease-in-out 0ms;
}

#register-popup.active {
    top: 58%;
}

.popup .close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 15px;
    height: 15px;
    color: #fff;
    text-align: center;
    line-height: 15px;
    border-radius: 15px;
    cursor: pointer;
    font-size: 25px;
}

.popup .form h2 {
    text-align: center;
    color: #fff;
    margin: 10px 0 20px;
    font-size: 25px;
}

.form-element {
    padding: 20px 0;
}

.popup-switch {
    display: flex;
}

.popup .form .form-element {
    font-size: 14px;
    color: #fff;
}

.popup .form .form-element label {
    font-size: 14px;
    color: #fff;
}

.popup .form .form-element input[type="text"],
.popup .form .form-element input[type="password"],
.popup .form .form-element input[type="email"] {
    margin-top: 5px;
    display: block;
    width: 100%;
    padding: 10px;
    outline: none;
    border: 1px solid transparent;
    border-radius:5px;
    background-color: #414957;
}

.popup .form .form-element input[type="text"]:focus,
.popup .form .form-element input[type="password"]:focus,
.popup .form .form-element input[type="email"]:focus {
    border-color: #f6e816;
}

.popup .form .form-element input::placeholder {
    color: #999;
}

.popup .form .form-element input {
    color: #ffffff;
}

.popup .form .form-element button {
    width: 100%;
    height: 40px;
    border: none;
    outline: none;
    font-size: 16px;
    background: #f6e816;
    color: #fff;
    border-radius: 10px;
    cursor: pointer;
    border-radius: 8px;
    -webkit-box-shadow: 2px 5px 16px 0px #262626, 0px 0px 20px 12px rgba(0,0,0,0);
    box-shadow: 2px 5px 16px 0px #262626, 0px 0px 20px 12px rgba(0,0,0,0);

    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0);
    outline: 1px solid;
    outline-color: rgba(255, 255, 255, .5);
    outline-offset: 0px;
    text-shadow: none;
    transition: all 1250ms cubic-bezier(0.19, 1, 0.22, 1);
}

.popup .form .form-element button:hover {
    border: 1px solid;
    box-shadow: inset 0 0 20px rgba(255, 255, 255, .5), 0 0 20px rgba(255, 255, 255, .2);
    outline-color: rgba(255, 255, 255, 0);
    outline-offset: 10px;
    text-shadow: 1px 1px 2px #427388;
}

.popup .form .form-element a {
    display: block;
    text-align: center;
    font-size: 15px;
    color: #f6e816;
    text-decoration: none;
    font-weight: 600;
    margin-left: 5px;
}

.form-text {
    color: #fff;
}