body {
    width: 100%;
    height: 100vh;
    background: url('../../img/book-6108388.jpg');
    background-position: center, center;
    background-size: cover;
    background-repeat: no-repeat;
    overflow: hidden;
}
.cont__btn {
    width: 100%;
    justify-content: flex-end;
}

.input__text {
    width: calc(100% - 48px);
    color: var(--color);
    height: 45px;
    padding: 0 2.5px;
    background: none;
    outline: none;
    border: none;
    border-bottom: 2px solid grey;
    transition: all 0.5s linear;
}
.input__text.question {
    width: 100%;
    margin-bottom: 1.5rem;
}
.input__text:focus {
    border-bottom: 2px solid var(--color);
}
input[type="submit"] {
    display: none;
}