* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Courier New', Courier, monospace;
}

.flex-parent {
    display: flex;
    flex-direction: row;
    gap: 20px;
    padding-right: 20px;
    background-color: rgb(255, 255, 255);
    width: auto;
    height: 100vh;
}

.flex-child {
    flex-grow: 1;
    background-color: rgb(224, 255, 222);
    text-align: left;
    padding: 20px 30px 30px 20px;
    transition: flex-grow .5s;
}

.flex-child:hover {
    flex-grow: 10;
}

.flex-child1 {
    flex-grow: 1;
    background-color: rgb(224, 255, 222);
    text-align: left;
    padding: 20px 30px 30px 20px;
    transition: flex-grow .5s;
}

.flex-child1:hover {
    flex-grow: 10;
}

.grandflex-parent {
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding: 0px 10px 10px 10px;
    background-color: rgb(255, 255, 255);
    width: 98vw;
    height: 100vh;
}

.grandflex-child {
    flex-grow: 1;
    background-color: rgb(224, 255, 222);
    text-align: left;
    padding: 20px 30px 20px 20px;
}

.grandflex-child:hover {
    flex-grow: 2;
}

.grandparent {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 20px;
    padding: 20px;
}

.grid-content {
    display: grid;
    grid-template-columns: 10% 90%;
    gap: 20px;
    padding: 20px;
    width: 100vw;
}

.grid-content2 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr ;
    gap: 20px;
    padding: 20px 30px 30px 30px;
    width: 100vw;
}

.grid-content2 div {
    height: auto;
}

.grid-picture {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
    gap: 20px;
    padding: 20px;
}

.grid-picture2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 20px 30px 30px 30px;
    width: 100vw;
}

.nav-bar {
    display: grid;
    grid-template-rows: 1fr 1fr 1fr 1fr;
    gap: 20px;
    padding: 20px;
    background-color: rgb(224, 255, 222);
}

.nav-bar div {
    background-color: white;
    text-align: center;
    padding-top: 10px;
}

.grid-parent {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 20px;
    padding: 20px;
    background-color: rgb(255, 255, 255);
}

.grid-parent div {
    background-color: rgb(255, 255, 255);
    height: 80 px;
    border: 10 px solid black;
}

.nav-parent {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
    gap: 20px;
    padding: 20px;
}

.nav-parent div {
    background-color: rgb(224, 255, 222);
    height: 1.3em;
}

.nav-content {
    display:grid;
    grid-template-rows: 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
    gap: 20px;
    padding: 20px;
    background-color: rgb(224, 255, 222);
}

.nav-content div {
    height: 60px;
}

a:any-link {
    color: rgb(0, 0, 0);
    text-decoration: underline;
}
  
a:hover {
    color: green;
    text-decoration: underline;
}

.hide {
    display: none;
}
  
.flex-child1:hover .hide {
    display: block;
    color: rgb(0, 0, 0);
}

.grandflex-child:hover .hide {
    display: block;
    color: rgb(0, 0, 0);
}


.picture:focus + .hide {
    display: block;
}

h1 {
    font-family: 'Courier New', Courier, monospace;
    font-size: 80px;
    font-weight: 800;
    text-align: 0 auto;
    text-transform: uppercase;
}      

h2 {
    font-size: 60px;
    font-weight: 600;
    text-align: 0 auto;
    text-transform: uppercase;
    text-align: center;
}

h3 {
    font-size: 40px;
    font-weight: 400;
    text-align: 0 auto;
    text-transform: uppercase;
    text-align: center;
}

h4 {
    font-size: 15px;
    font-weight: 200;
    text-align: 0 auto;
    text-transform: uppercase;
}

p {
    padding-bottom: 10px;
    font-size:18px;
}

.catalog {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    padding: 40px;
    gap: 40px;
}

@media only screen and (max-width: 1000px) {
    .catalog {
        grid-template-columns: 1fr 1fr;
    }
    .nav-parent {
        grid-template-columns: 1fr 1fr 1fr;
    }
    .nav-bar {
        grid-template-columns: 1fr 1fr 1fr 1fr;
        height: 7em;
        padding: .5em;
    }
    .grandparent{
        grid-template-columns: 1fr;
    }
    .nav-content {
        grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
        height: 6em;
        width: 95vw;
    }
    h4 {
        font-size: .7em;
    }
    h3 {
        font-size: .8em !important;
    }
    h2{
        font-size: 2em;
    }
    .grid-content {
        grid-template-columns: 1fr;
    }
    .flex-parent {
        display: flex;
        flex-direction: column;
    } 
    .flex-child1 {
        width: 95vw;
    }
    .grid-picture {
        grid-template-columns: 1fr 1fr 1fr;
    }
    p {
        font-size: 10px !important;
    }
    .grid-picture2 {
        grid-template-columns: 1fr;
    }
    .grid-content2 {
        grid-template-columns: 1fr;
        width: 80vw;
    }
}