* {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

.ro {
    background: url(..//images/alkaline_filter.jpg);
    height: 110vh;
    max-height: 100%;
    background-size: cover;
    background-position: bottom;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}


/* animation */


/* animation */

.ro-head {
    font-size: 48px;
    font-family: serif;
    font-weight: 800;
    color: #fffd;
}


/* centoeixwesd ist para */

.ro-paraf {
    font-size: 35px;
    font-family: serif;
    font-weight: 800;
    opacity: 0.6;
    display: flex;
    justify-content: center;
    align-items: center;
    color: rgba(196, 196, 196, 0.867);
}


/* centoeixwesd ist para */

.small-para2 {
    font-size: 20px;
    color: #000;
    font-weight: 500;
}

.small-para2 span {
    color: #000;
    font-size: 16px;
    font-weight: 400;
    opacity: .6;
}

.section-last {
    background: #0affad;
}

.button-1 {
    padding: 10px 34px;
    border: none;
    background: #455c90;
    border-radius: 20px;
    color: #fff;
    font-size: 20px;
    white-space: nowrap;
}


/*
/* products */

.text1 {
    font-size: 18px;
    font-family: serif;
    font-weight: 700;
    color: #000;
}

.text2 {
    font-size: 16px;
    font-family: serif;
    opacity: .8;
    color: #000;
}

.card-alkali {
    background: transparent !important;
    border: none !important;
}

.card-alkali img:hover {
    transform: scale(.9) !important;
    transition: .5s;
}