*{
    box-sizing:border-box;
}

/* Верхнее меню */

nav.mask{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:60px;

    display:flex;
    justify-content:space-between;
    align-items:center;

    padding:0 20px;

    background:#D3D3D3;
    z-index:1000;

    backdrop-filter:blur(8px) brightness(1.2);
    -webkit-backdrop-filter:blur(8px) brightness(1.2);
}

@media (min-width:640px){
    nav.mask{
        padding:0 50px;
    }
}

.nav-left,
.nav-right{
    display:flex;
    align-items:center;
    gap:10px;
}

.nav-left{
    flex:1;
}

.nav-right{
    justify-content:flex-end;
    flex:1;
}

nav.is-hidden{
    transform:translateY(-100%);
    transition:.3s;
}

/* Ссылки */

a{
    color:inherit;
    text-decoration:none;
}

a:hover,
a:focus{
    text-decoration:underline;
}

/* Кнопки */

a.button24{
    display:inline-block;
    color:#000;
    text-decoration:none;

    padding:6px 14px;
    font-size:15px;

    border-width:2px 0;
    border-style:solid none;
    border-color:#808080 #000 #808080;
    border-radius:6px;

    background:linear-gradient(#8FBC8F,#F5F5DC) #F5DEB3;
    transition:.2s;
}

a.button24:hover{
    background:linear-gradient(#FAEBD7,#FAEBD7);
}

a.button24:active{
    background:linear-gradient(#BDB76B,#BDB76B);
}


/* ---------- Поля ввода ---------- */

input[type=text]:focus{
    padding:6px 2px;
    border:1px solid #555;
    border-radius:4px;
    background:#f1f1f1;
}

select{
    padding:6px 2px;
    border:1px solid #555;
    border-radius:4px;
    background:#f1f1f1;
}

/* ---------- Фон страницы ---------- */

body{
    background:#e6e6e6;
    background-position:center center;
    background-size:cover;
    background-attachment:fixed;
}

/* ---------- Диалоговые окна ---------- */

dialog{
    padding:1rem 3rem;
    background:#fff;
    border:1px solid #888;
    border-radius:20px;
    box-shadow:0 5px 30px rgba(0,0,0,.1);
}

dialog::backdrop{
    background:rgba(255,255,255,.15);
    backdrop-filter:blur(20px);
}

/* ---------- Контейнер ---------- */

#container{
    text-align:center;
    box-shadow:0 15px 30px grey;
    background:#fff;
    border-radius:50px;
    display:block;
    width:fit-content;
    padding:2em 4em;
    margin:1em auto;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f6f6f6;
    margin: 0;
    padding: 0;
}

dialog#myDialog {
    border: 1px solid #777;
    border-radius: 6px;
    padding: 10px;
    width: 880px;
    max-width: 95%;
    background: #fff;
}

h2, h3 {
    margin: 6px 0;
    font-weight: normal;
}

.iksweb {
    border-collapse: collapse;
}

.iksweb td {
    padding: 8px 16px;
}

input[type="text"], select {
    height: 26px;
    font-size: 14px;
    padding: 2px 6px;
}

button, input[type="submit"] {
    cursor: pointer;
}

#selectFilte {
    width: 280px;
    height: 26px;
    font-size: 14px;
}



center {
    display: block;
    text-align: center;
}

#messages {
    text-align: center;
    color: green;
    font-weight: bold;
}



 .stroke {
    color: #00000;
    text-shadow: #cad5e2 1px 1px 0, #cad5e2 1px 2px 0, 
                 #cad5e2 1px 2px 0, #cad5e2 2px 2px 0, 
                 #cad5e2 2px 2px 0;
   }







input[type="submit"] {
  padding: 5px 10px;
  border: none;
  border-radius: 5px;
  background-image: linear-gradient(to right, #ade1ca, #355f7c);
  color: Black;
  text-transform: uppercase;
  transition: background-color 0.25s;
}

input[type="submit"]:hover {
  background-image: linear-gradient(to right, #355f7c, #ade1ca);
}



 .stroke {
    color: #00000;
    text-shadow: #cad5e2 1px 1px 0, #cad5e2 1px 2px 0, 
                 #cad5e2 1px 2px 0, #cad5e2 2px 2px 0, 
                 #cad5e2 2px 2px 0;
   }







input[type="submit"] {
  padding: 5px 10px;
  border: none;
  border-radius: 5px;
  background-image: linear-gradient(to right, #ade1ca, #355f7c);
  color: Black;
  text-transform: uppercase;
  transition: background-color 0.25s;
}

input[type="submit"]:hover {
  background-image: linear-gradient(to right, #355f7c, #ade1ca);
}


body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f6f6f6;
    margin: 0;
    padding: 0;
}

dialog#myDialog {
    border: 1px solid #777;
    border-radius: 6px;
    padding: 10px;
    width: 880px;
    max-width: 95%;
    background: #fff;
}

h2, h3 {
    margin: 6px 0;
    font-weight: normal;
}

.iksweb {
    border-collapse: collapse;
}

.iksweb td {
    padding: 8px 16px;
}

input[type="text"], select {
    height: 26px;
    font-size: 14px;
    padding: 2px 6px;
}

button, input[type="submit"] {
    cursor: pointer;
}

#selectFilte {
    width: 280px;
    height: 26px;
    font-size: 14px;
}



center {
    display: block;
    text-align: center;
}

#messages {
    text-align: center;
    color: green;
    font-weight: bold;
}


/* Легкие стили, чтобы форма выглядела читаемо */
body { font-family: Arial, sans-serif; padding: 12px; }
.iksweb { border-collapse: collapse; margin: 10px auto; }
.iksweb td { padding: 6px 12px; vertical-align: top; }
input[type="text"], select { font-size: 14px; padding: 4px; }
#myDialog { max-width: 820px; padding: 14px; border: 1px solid #ccc; border-radius: 6px; }
#messages { margin: 8px 0; color: green; }