@media screen and (min-device-width: 901px){
    .what-is-it-and-why {
        display: flex;
        gap: 3rem;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .why-study {
        padding: 3rem;
        background-color: rgb(240, 240, 240);
        border-radius: 2rem;
        display: flex;
    }
    .why-study__description {
        width: 50%;
    }
    .why-study__description-title {
        font-size: 4rem;
        font-weight: 700;
        line-height: 5rem;
        padding-bottom: 4rem;    
    }
    .why-study__description-text {
        font-size: 1.6rem;
        font-weight: 500;
        line-height: 2.5rem;
        padding-right: 10rem;
    }
    .why-study__image {
        width: 50%;
    }
    .what-is-this {
        padding: 3rem;
        background-color: rgb(240, 240, 240);
        border-radius: 2rem;
        width: calc(50% - 1.5rem);
    }
    .what-is-this__name-of-the-technology {
        font-size: 4rem;
        font-weight: 700;
        line-height: 5rem;
        padding-bottom: 4rem;   
    }
    .what-is-this__description-of-application {
        font-size: 1.6rem;
        font-weight: 500;
        line-height: 2.5rem;
    }
}

@media screen and (min-device-width: 320px) and (max-device-width: 900px)  {
    .what-is-it-and-why {
        display: flex;
        gap: 3rem;
        flex-direction: column;
        justify-content: space-between;
    }
    .why-study {
        width: 100%;
        padding: 2.5rem;
        background-color: rgb(240, 240, 240);
        border-radius: 2rem;
        display: flex;
        flex-direction: column;
    }
    .why-study__description {
        /* width: 50%; */
    }
    .why-study__description-title {
        width: 100%;
        font-size: 3.7rem;
        font-weight: 700;
        line-height: 5rem;   
    }
    .why-study__description-text {
        font-size: 1.6rem;
        font-weight: 500;
        line-height: 2.5rem;
    }
    .why-study__image {
        width: 100%;
        margin-top: 4rem;
    }
    .what-is-this {
        padding: 3rem;
        background-color: rgb(240, 240, 240);
        border-radius: 2rem;
        width: 100%;
    }
    .what-is-this__name-of-the-technology {
        font-size: 4rem;
        font-weight: 700;
        line-height: 5rem;
        padding-bottom: 4rem;   
    }
    .what-is-this__description-of-application {
        font-size: 1.6rem;
        font-weight: 500;
        line-height: 2.5rem;
    }
}