.model-background {
    grid-column: 1/2;
    grid-row: 2/5;
    overflow-y: auto;
    background-color: var(--models-background-color);
    border-radius: 2em;
    padding: 1em;
    margin: 1em;
    height: 50vh;
    box-sizing: border-box;
    overflow: hidden;
}

.models {
    grid-column: 1/2;
    grid-row: 2/5;
    overflow-y: auto;
    background-color: var(--models-background-color);
    border-radius: 2em;
    padding: 1em;
    height: 100%;
    box-sizing: border-box;
    overflow: hidden;
    overflow-y: scroll;
}

.models form {
    padding-right: 10px;
    padding-left: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.models .titel {
    padding-bottom: 1em;
    display: flex;
    justify-content: center;
    align-items: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5vh;
    width: fit-content;
}

.grid h3 {
    font-size: x-large;
}

.model-box {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    border-radius: 5%;
    overflow: hidden;
    position: relative;
    height: 18vh;
    width: 18vh;
}

.overlay {
    z-index: 900;
    position: absolute;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 300%;
    transition: opacity 0.5s ease;
    pointer-events: none;
    opacity: 0;
    font-size: xx-large;
}

.overlay img {
    align-self: flex-end;
    justify-self: end;
    height: 3vh;
    width: 3vh;
    position: absolute;
    right: 15px;
    bottom: 15px;
}

.model-box:hover .overlay {
    opacity: 1;
}

.code-model {
    background-image: url(/img/code.jpg);
    background-repeat: no-repeat;
    background-size: cover;
}

.math-model {
    background-image: url(/img/math.jpg);
    background-color: white;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
}

.language-model {
    background-image: url(/img/language.jpg);
    background-color: #72cce4;
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
}

.default-model {
    background-image: url(/img/default.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}
