.item1 {
    grid-area: header;
}

.item2 {
    grid-area: menu;
}

.item3 {
    grid-area: main;
}

.item5 {
    grid-area: footer;
}

.custom-file-input::-webkit-file-upload-button {
    visibility: hidden;
}

.custom-file-input::before {
    content: "select photos";
    display: inline-block;
    background: linear-gradient(top, #f9f9f9, #e3e3e3);
    border: 1px solid #999;
    border-radius: 3px;
    padding: 5px 8px;
    outline: none;
    white-space: nowrap;
    -webkit-user-select: none;
    cursor: pointer;
    text-shadow: 1px 1px #fff;
    font-weight: 700;
    font-size: 10pt;
}

.custom-file-input:hover::before {
    border-color: black;
}

.custom-file-input:active::before {
    background: -webkit-linear-gradient(top, #e3e3e3, #f9f9f9);
}

.preview-area {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.preview-area img {
    width: 24%;
    margin: 0 0 10px;
    object-fit: contain;
}

.preview-area img:not(:nth-child(4n)) {
    margin-right: 1.333%;
}

.grid-container {
    display: grid;
    grid-template-areas: "menu header header    " "menu main main   " "menu footer footer   ";
    grid-template-columns: 4% 90%;
    grid-template-rows: 9% 90%;
}

.grid-container>div {
    background-color: rgba(255, 255, 255, 0.404);
    text-align: center;
    padding: 0px 0;
    font-size: 30px;
}

.container2 {
    padding: 0px 5% 0px 10%;
}

.input-res {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    font: 15px/1 "Open Sans", sans-serif;
    color: #333;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 80%;
    max-width: 500px;
    background-color: rgb(255, 255, 255);
    border: none;
    padding: 10px 11px 11px 11px;
    border-radius: 3px;
    box-shadow: none;
    outline: none;
    margin: 0;
    box-sizing: border-box;
}