index.css

* {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

/* -----header----- */
.sup {
    width: 100%;
    background-color: #DDDDDD;
}

.sup ul {
    max-width: 980px;
    margin: 0 auto;
    height: 40px;
    display: flex;
    list-style: none;
    line-height: 40px;
    place-content: center;
    font-size: 15px;
    justify-content: flex-end;
}

.sup ul li {
    margin: 0 8px;
}

/* ---------- */

.thanhdieuhuong {
    max-width: 980px;
    max-height: 72px;
    margin: 0 auto;
    display: flex;
}

.thanhdieuhuong ul {
    list-style: none;
    display: flex;
    color: #25AAE2;
    height: 72px;
    line-height: 72px;
}

/* nav li {
    padding: 0 10px;
} */

.thanhdieuhuong img {
    padding: 12px 0;
    width: 160px;
    height: 48px;
}

.thanhdieuhuong .left {
    width: 60%;
}

.thanhdieuhuong .left p {
    padding: 0 10px;
}

.thanhdieuhuong .right {
    width: 40%;
    display: flex;
    justify-content: flex-end;
}

.thanhdieuhuong .right li {
    padding: 0 10px;
}

.thanhdieuhuong .right i {
    font-size: 20px;
}

.thanhdieuhuong .right li:nth-child(1) {
    position: relative;
}

.thanhdieuhuong .right li:nth-child(1) input {
    width: 220px;
    height: 20px;
    outline: none;
    font-size: 12px;
    border: none;
    border-bottom: #25AAE2 solid 2px;
    
}

.thanhdieuhuong .right li:nth-child(1) i {
    position: absolute;
    font-size: 20px;
    line-height: 72px;
    cursor: pointer;
    right: 11px;
}

.thanhdieuhuong .right li:nth-child(5) {
    display: none;
}

/* -----------mobile----------- */

@media only screen and (max-width: 767px) {
    .sup ul {
        font-size: 12px;
    }

    /* ---------- */
  .thanhdieuhuong .left {
        /* background-color: aquamarine; */
        width: 30%;
    }

    .thanhdieuhuong .left p {
        padding: 0 6px;
        font-size: 10px;
    }

    .thanhdieuhuong .left li {
        display: none;
    }

    .thanhdieuhuong .left li:nth-child(1) {
        display: block;
    }

    .thanhdieuhuong .right {
        width: 70%;
    }

    .thanhdieuhuong .right li:nth-child(1) input {
        width: 100%;
        min-width: 100px;
    }

    .thanhdieuhuong .right li:nth-child(2) {
        display: none;
    }
    
    .thanhdieuhuong .right li:nth-child(3) {
        display: none;
    }

    .thanhdieuhuong .right li:nth-child(4) {
        display: none;
    }

    .thanhdieuhuong .right li:nth-child(5) {
        display: block;
    }
}

/* -----------tablet----------- */
@media only screen and (min-width: 768px) and (max-width: 1024px) {
    .sup ul {
        font-size: 12px;
    }

    /* ---------- */
    .thanhdieuhuong .left {
        /* background-color: aquamarine; */
        width: 100%;
    }

    .thanhdieuhuong .left p {
        padding: 0 6px;
        font-size: 14px;
    }

    /* .thanhdieuhuong .right {
        background-color: burlywood;
    } */

    .thanhdieuhuong .right li:nth-child(1) input {
        width: 100%;
    }
}

 /* ---------nav---------- */

nav {
    padding: 7px;
    box-sizing: border-box;
    font-family: Verdana, sans-serif;
}

.mySlides {
    display: none;
}

.img {
    width: 980px;
    height: 490px;
    vertical-align: middle;
}

/* Slideshow container */
.slideshow-container {
    max-width: 980px;
    position: relative;
    margin: auto;
}

/* Next & previous buttons */
.prev,
.next {
    cursor: pointer;
    position: absolute;
    top: 36%;
    width: auto;
    padding: 16px;
    margin-top: -22px;
    color: #25AAE2;
    font-weight: bold;
    font-size: 18px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
}

/* Position the "next button" to the right */
.next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

/* On hover, add a black background color with a little bit see-through */
.prev:hover,
.next:hover {
    background-color: #25AAE2;
    color: #fff;
}

/* Number text (1/3 etc) */
.numbertext {
    color: #f2f2f2;
    font-size: 12px;
    padding: 8px 12px;
    position: absolute;
    top: 0;
}

/* The dots/bullets/indicators */
.nutdot {
    position: absolute;
    top: 66%;
    margin: auto;
    width: 100%;
}

.dot {
    cursor: pointer;
    height: 10px;
    width: 10px;
    margin: 0 2px;
    background-color: #D6D6D6;
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.6s ease;
}

.active,
.dot:hover {
    background-color: #25AAE2;
}

/* Fading animation */
.fade {
    animation-name: fade;
    animation-duration: 1.5s;
    animation: slideshow 3s infinite;
}

@keyframes fade {
    from {
        opacity: .4
    }

    to {
        opacity: 1
    }
}

.sale {
    max-width: 980px;
    margin: 0 auto;
}

.bannercontent {
    position: absolute;
    width: auto;
    max-width: 500px;
    top: 20%;
    left: 30px;
}

.textbanner {
    position: relative;
    color: #ffff;
}

.bannercontent .title {
    font-size: 30px;
    font-weight: 700;
    line-height: 47px;
    white-space: pre-line;
    min-height: 47px;
    width: 100%;
    text-shadow: 0 2px 2px rgba(27,27,27,0.3);
}

.bannercontent .product-name{
    min-height: 26px;
    width: 100%;
    text-shadow: 0 2px 2px rgba(27,27,27,0.3);
}

.fr-product-price-info {
    align-items: flex-end;
    display: flex;
    margin: 8px 0 0;
    text-shadow: 0 2px 2px rgba(27,27,27,0.3);
}

.secondary{
    font-size: 15px;
    letter-spacing: .02em;
    line-height: 1.2;
    min-width: 128px;
    border: none;
    height: 52px;
    font-weight: 600;
}
.buynow {
    margin-top: 24px;
    text-shadow: 0 2px 2px rgba(27,27,27,0.3);
}

/* -----------mobile----------- */
@media only screen and (max-width: 767px) {
    .img {
        width: 100%;
        height: 100%;
    }

    .nutdot {
        top: 60%;
    }

    .bannercontent {
        top: 10%;
    }

    .bannercontent .title {
        font-size: 14px;
    }

    .buynow {
        margin-top: 2px;
    }

    .secondary {
        font-size: 12px;
        min-width: 100px;
        height: 35px;
    }

}

/* -----------tablet----------- */
@media only screen and (min-width: 768px) and (max-width: 1024px) {
    .img {
        width: 100%;
    }

}

 /* ---------section---------- */

section {
    max-width: 980px;
    margin: 0 auto;
}

section .texth2 {
    text-align: center;
    padding: 10px;
}

.dmuc {
    display: flex;
    flex-wrap: wrap;
}

.dmuc-con {
    padding: 5px;
}

.dmuc-con:nth-child(9) {
    display: none;
}

.dmuc-con img {
    width: 235px;
}

.dmuc-con img:hover{
    opacity: 0.5;
}

.thongtin {
    text-align: center;
    word-break: break-word;
    font-weight: normal;
    padding-top: 0.75rem;
    display: block;
    font-size: 16px;
}

 /* ---------mobile---------- */

 @media only screen and (max-width: 767px) {
    .dmuc {
        display: flex;
        justify-content: center;
    }

    .dmuc-con img {
        width: 200px;
    }

    .dmuc-con:nth-child(9) {
        display: none;
    }
 }

 /* ---------table---------- */

 @media only screen and (min-width: 768px) and (max-width: 1024px) {
    .dmuc {
        display: flex;
        justify-content: center;
    }

    .dmuc-con:nth-child(9) {
        display: block;
    }
 }

 /* ---------aside---------- */

aside {
    max-width: 980px;
    margin: 0 auto;
}

 aside .text-h2 {
    text-align: center;
    padding: 10px;
}

.cacsanpham {
    display: flex;
    flex-wrap: wrap;
}

.sanpham:hover {
    box-shadow: rgba(0, 0, 0, 0.15) 1.95px 8px 20px;
}

.sanpham {
    padding: 5px;
    max-height: 316.25px;
}

.cacsanpham .sanpham:nth-child(9) {
    display: none;
}

.dasale .sanpham:nth-child(4) {
    display: block;
}

.image-sanpham img {
    width: 235px;
}

.SALE-sanpham img {
    width: 50px;
    position: absolute;
}

.textsanpham {
    width: 235px;
    font-size: 18px;
}

.textsanpham p {
    font-size: 20px;
}

.gia-ico {
    list-style: none;
    display: flex;
}

.gia-ico-sale {
    list-style: none;
    display: flex;
}

.gia-ico span {
    width: 50%;
}

.gia-ico-sale span {
    width: 34%;
}

.gia-ico-sale del {
    width: 16%;
    font-size: 12px;
    font-weight: 200;
    margin: auto 0;
}

.ico {
    width: 50%;
    display: flex;
    justify-content: flex-end;
}

.ico li {
    padding: 0 8px;
}

.xemthem {
    display: flex;
    justify-content: center;
    padding: 20px;
}

.xemthem .nut-xemthem {
    background-color: #fff;
    width: 25%;
    height: 40px;
    border: 1px solid black;
    font-size: 20px;
}

.xemthem .nut-xemthem:hover {
    color: #25AAE2;
    border-color: #25AAE2;
}

 /* ---------mobile---------- */
 @media only screen and (max-width: 767px) {
    .cacsanpham {
        display: flex;
        justify-content: center;
    }
    .cacsanpham .sanpham:nth-child(9) {
        display: none;
    }

    .sanpham {
        padding: 5px;
    }

    .image-sanpham img {
        width: 200px;
    }

    .SALE-sanpham img {
        width: 50px;
    }

    .textsanpham {
    width: 200px;
    font-size: 16px;
    }

    .textsanpham p {
        font-size: 18px;
    }

    .xemthem .nut-xemthem {
        width: 30%;
    }

}

 /* ---------table---------- */
@media only screen and (min-width: 768px) and (max-width: 1024px) {
    .cacsanpham {
        display: flex;
        justify-content: center;
    }
    .cacsanpham .sanpham:nth-child(9) {
        display: block;
    }

    .dasale .sanpham:nth-child(4) {
        display: none;
    }
}

 /* ---------footer---------- */

footer {
    background-color: #333333;
    color: #fff;
}

.bao-footer {
    max-width: 980px;
    min-height: 290px;
    margin: auto;
}

.boc-footer {
    display: flex;
}

.li-footer {
    padding: 60px 14px;
}

.text-footer h3 {
    font-size: 16px;
}

.text-footer ul {
    font-size: 13px;
    padding: 5px 0px 0px 16px;  
}

.text-footer ul li {
    line-height: 1.5;
}
.btn-flowing {
    line-height: 40px;
}

.btn-flowing input {
    width: 68%;
    height: 40px;
    padding-left: 6px;
    border: none;
    outline: none;
}

.btn-flowing button {
    width: 30%;
    height: 40px;
    background-color: #25AAE2;
    color: #fff;
    border: none;
    margin-left: -5px;
}

/* ---------mobile---------- */
@media only screen and (max-width: 767px) {
    .li-footer {
        padding: 30px 2px;
    }

    .boc-footer .li-footer:nth-child(1) {
        width: 100%;
    }

    .boc-footer .li-footer:nth-child(2) {
        width: 100%;
    }

    .boc-footer .li-footer:nth-child(3) {
        width: 100%;
    }

    .boc-footer .li-footer:nth-child(4) {
        width: 100%;
    }
    
    .text-footer h3 {
        font-size: 12px;
    }

    .text-footer ul {
        font-size: 10px; 
    }

    .btn-flowing input {
        width: 67%;
        padding-left: 6px;
    }
    
    .btn-flowing button {
        width: 30%;
        margin-left: -5px;
    }

    .btn-flowing {
        line-height: 35px;
    }
    
    .btn-flowing input {
        width: 57%;
        height: 35px;
        padding-left: 6px;
    }
    
    .btn-flowing button {
        width: 38%;
        height: 35px;
        margin-left: -5px;
    }

}  

/* ---------table---------- */
@media only screen and (min-width: 768px) and (max-width: 1024px) {
    .li-footer {
        padding: 60px 10px;
    }
    
    .text-footer h3 {
        font-size: 14px;
    }

    .text-footer ul {
        font-size: 12px; 
    }

    .btn-flowing input {
        width: 67%;
        padding-left: 6px;
    }
    
    .btn-flowing button {
        width: 30%;
        margin-left: -5px;
    }

}