.presentations {
    display: -ms-grid;
    display: grid;
    gap: 40px;
    margin-top: 30px;
    -ms-grid-columns: 1fr 40px 1fr;
    grid-template-columns: repeat(2, 1fr);
}

.presentations .presentation .bth__ava-square {
    width: 100%;
    margin-top: 20px;
    background: #ffffff;
    border-radius: 10px !important;
    height: 300px;
}

.presentations .presentation:hover .bth__ttl-h2 {
    color: #318cc6;
}

.presentations .presentation .bg-blue {
    background: #b731c6;
}

.presentations .presentation {
    padding: 20px 25px;
    border-radius: 5px;
    background: #eeeeee;
}

@media screen and (max-width: 1023px) {
    .presentations .presentation {
        padding: 15px 20px;
    }

    .presentations {
        display: -ms-grid;
        display: grid;
        gap: 20px;
        margin-top: 20px;
    }
}

@media screen and (max-width: 767px) {
    .presentations img {
        height: auto;
    }

    .presentations .presentation .bth__ava-square:empty {
        height: 200px;
    }

    .presentations .presentation .bth__ava-square {
        height: auto;
    }

    .presentations {
        display: -ms-grid;
        display: grid;
        gap: 20px;
        margin-top: 20px;
        -ms-grid-columns: 1fr;
        grid-template-columns: repeat(1, 1fr);
    }
}