index.css

body {
    font-family: Arial, Helvetica, sans-serif;
}

.container {
    position: absolute;
    top: 35%;
    left: 50%;
    min-width: 33rem;
    min-height: 10rem;
    transform: translate(-50%, -35%);
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    flex-direction: column;
}

.btn {
    padding: 12px;
    height: 2.5rem;
    cursor: pointer;
    color: #3c4043;
    margin: 11px 4px;
    font-size: .95rem;
    text-align: center;
    text-decoration: none;
    background: #f8f9fa;
}

.container-button {
    padding: 1rem;
}

.container-input-search {
    width: 100%;
    padding: 10px;
    display: flex;
    margin: 1.5rem;
    max-height: 44px;
    max-width: 36.5rem;
    align-items: center;
    border-radius: 25px;
    border: 1px solid #dfe1e5;
    justify-content: space-between;
}

.container-input-search:hover {
    background-color: #fff;
    box-shadow: 0 1px 6px rgb(32 33 36 / 28%);
    border-color: rgba(223,225,229,0);
}

.container-input-search input {
    border: none;
    width: 90%;
    outline: none;
    height: 1.5rem;
}

.container-input-search input:focus .container-input-search {
    background-color: #fff;
    box-shadow: 0 1px 6px rgb(32 33 36 / 28%);
    border-color: rgba(223,225,229,0);
}

.container-input-search span {
    width: 1.5rem;
    height: 1.5rem;
    margin-top: 3px;
    fill: #9aa0a6;
    cursor: pointer;
}

.teclado {
    background: url(http://www.gstatic.com/inputtools/images/tia.png) no-repeat center;
    height: 24px;
    width: 24px;
    vertical-align: middle;
}

.container-logo-page {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.modal {
    position: absolute;
    top: 15%;
    left: 50%;
    padding: 20px;
    border-radius: 7px;
    background-color: #00ca0063;
    transform: translate(-50%, -15%);
}


/* Mobile layout */
@media (max-width: 600px)
{
    .container {
        left: 0px;
        right: 0px;
        padding: 0px 22px;
        min-width: fit-content;
        transform: translate(0px, -35%);
    }

    .container-logo-page {
        flex-direction: column;
    }

    .modal {
        top: 0px;
        left: 0px;
        right: 0px;
        border-radius: 0px;
        transform: translate(0, 0);
    }

    .container-button {
        padding: .5rem;
    }

}