style.css

@import url('https://fonts.googleapis.com/css2?family=Poppins&family=Raleway&display=swap');

@keyframes balanco {
    from {}

    to {
        margin-top: 10%;
        margin-bottom: 10%;
    }
}

* {
    box-sizing: border-box;
}

body {
    background-color: #A9C9FF;
    background-image: linear-gradient(180deg, #A9C9FF 0%, #FFBBEC 100%);       
    font-family: 'Poppins', sans-serif;
    font-size: 15px;
    margin: 0;
    display: flex;
    min-height: 100vh;
}

::-webkit-scrollbar{
    background-color: #d1e8eb;
}

::-webkit-scrollbar-button{
    background-color: #cee0eb;
}

::-webkit-scrollbar-thumb{
    background-color: pink;
}

.headerlogo{
    display: block;
    background-color: black;
}

.models {
    display: none;
}

.titlehead{
    display: flex;
    text-align: center;
    margin-bottom: 20px;
}

.logo-donuts{
    width: 80px;
    margin-right: 5px;
    height: 100%;
    padding: 1rem;
    margin-left: 15px;
}

header{
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    height: 60px;
    background-color: lightcyan;
    display: none;
    justify-content: flex-end;
    align-items: center;
}

.menu-openner {
    margin-right: 15px;
    font-size: 26px;
    background-color: #a9dcff;
    padding: 5px 20px;
    border-radius: 5px;
    border: 1px solid black;
}

.menu-openner span {
    margin-right: 10px;
}

.menu-closer {
    width: 32px;
    height: 32px;
    display: none;
    font-size: 30px;
}

.menu-closer-title{
    color: black;
}

aside {
    background-color: #495C83;
    width: 0vw;
    transition: all ease .2s;
    overflow-x: hidden;
}

aside.show {
    width: 30vw;
}

.cart--area {
    padding: 20px;
}

main {
    flex: 1;
    padding: 20px;
}

h1 {
    font-family: 'Poppins', sans-serif;
    color: black;
    font-size: 2rem;
}

.food-area {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.food-item {
    text-align: center;
    max-width: 350px;
    font-family: 'Raleway', sans-serif;
    margin: 0 auto 50px auto;
    border-radius: 12px;
    border: 1px solid white;
    background-color: #ffc0cb;
    -webkit-box-shadow: 6px 7px 5px 0px rgba(198, 137, 198, 1);
    -moz-box-shadow: 6px 7px 5px 0px rgba(198, 137, 198, 1);
    box-shadow: 6px 7px 5px 0px rgba(198, 137, 198, 1);
}

.food-item:hover {
    background-color: transparent;
    -webkit-box-shadow: none;
    -moz-box-shadow: none;
    box-shadow: none;
    animation-duration: 2s;
    animation-name: balanco;
    animation-iteration-count: infinite;
}

.food-item a {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
}

.food-item--img {
    width: 200px;
    height: 200px;
    border-radius: 100px;
    margin-top: 15px;
    box-shadow: 0px 10px 50px rgba(0, 0, 0, 0.2);
}

.food-item--img img {
    width: 100%;
    height: auto;
}

.food-item--add {
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 25px;
    background-color: #bb6cba;
    text-align: center;
    color: #FFF;
    font-size: 22px;
    cursor: pointer;
    margin-top: -25px;
    transition: all ease .2s;
}

.food-item a:hover .food-item--add {
    background-color: #c12286;
}

.food-item--price {
    font-size: 15px;
    color: rgb(14, 13, 14);
    font-weight: 800;
    margin-top: 5px;
    font-family: 'Poppins', sans-serif;
}

.food-item--name {
    font-size: 20px;
    font-weight: bold;
    color: #000;
    margin-top: 5px;
}

.food-item--desc {
    font-size: 14px;
    color: rgb(0, 0, 0);
    margin-top: 10px;
    margin-bottom: 15px;
    margin-left: 15px;
    margin-right: 15px;
    font-family: 'Poppins', sans-serif;
}

.foodWindowArea {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    display: none;
    transition: all ease .5s;
    justify-content: center;
    align-items: center;
    overflow-y: auto;
}

.foodWindowBody {
    width: 900px;
    background-color: #FFE6E6;
    border-radius: 10px;
    box-shadow: 0px 0px 15px #999;
    display: flex;
    margin: 20px 0px;
    -webkit-box-shadow: 10px 10px 122px 0px rgba(0, 0, 0, 0.75);
    -moz-box-shadow: 10px 10px 122px 0px rgba(0, 0, 0, 0.75);
    box-shadow: 10px 10px 122px 0px rgba(0, 0, 0, 0.75);
}

.foodBig {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.foodBig--back {
    position: absolute;
    width: 30px;
    height: 30px;
    background-color: #000;
}

.foodBig img {
    height: 400px;
    width: auto;
    animation-name: entradafoodbig;
    animation-duration:  1s;
    animation-iteration-count: 1;
}

.foodInfo {
    flex: 1;
    padding-bottom: 50px;
}

.foodInfo h1 {
    margin-top: 50px;
    color: #000;
}

.foodInfo .foodInfo--desc {
    font-size: 15px;
    color: rgb(0, 0, 0);
    margin-top: 10px;
    text-align: left;
    margin-right: 12px;
}

.foodInfo--sector {
    color: rgb(0, 0, 0);
    text-transform: uppercase;
    font-size: 14px;
    margin-top: 30px;
    margin-bottom: 10px;
}

.foodInfo--sizes {
    display: inline-flex;
    border-radius: 10px;
    overflow: hidden;
}

.foodInfo--size {
    padding: 10px 15px;
    color: #000;
    background-color: #EEE;
    font-size: 13px;
    font-weight: bold;
    cursor: pointer;
}

.foodInfo--size:hover {
    background-color: #CCC;
}

.foodInfo--size.selected {
    background-color: #9CB4CC;
    color: #FFF;
}

.foodInfo--size.selected span {
    color: #D6D6D6;
}

.foodInfo--size span {
    font-size: 12px;
    color: #999;
    font-weight: normal;
}

.foodInfo--price {
    display: flex;
    align-items: center;
}

.foodInfo--actualPrice {
    font-size: 28px;
    margin-right: 30px;
}

.foodInfo--qtarea {
    display: inline-flex;
    background-color: #EEE;
    border-radius: 10px;
    height: 30px;
}

.foodInfo--qtarea button {
    border: 0;
    background-color: transparent;
    font-size: 17px;
    outline: 0;
    cursor: pointer;
    padding: 0px 10px;
    color: #333;
}

.foodInfo--qt {
    line-height: 30px;
    font-size: 12px;
    font-weight: bold;
    padding: 0px 5px;
    color: #000;
}

.foodInfo--addButton {
    margin-top: 30px;
    padding: 20px 30px;
    border-radius: 20px;
    background-color: #bb6cba;
    color: white;
    display: inline-block;
    cursor: pointer;
    margin-right: 30px;
    font-size: larger;
}

.foodInfo--addButton:hover {
    background-color: #F9CEEE;

}

.foodInfo--cancelButton {
    display: inline-block;
    cursor: pointer;
}

.foodInfo--cancelMobileButton {
    display: none;
    height: 40px;
    text-align: center;
    line-height: 40px;
    margin-bottom: 30px;
}

aside {
    background-color: rgb(174, 217, 243);
}

.cart {
    margin-bottom: 20px;
}

.cart--item {
    display: flex;
    align-items: center;
    margin: 10px 0;
}

.cart--item img {
    width: 40px;
    height: 40px;
    margin-right: 20px;
}

.cart--item-nome {
    flex: 1;
}

.cart--item--qtarea {
    display: inline-flex;
    background-color: #EEE;
    border-radius: 10px;
    height: 30px;
}

.cart--item--qtarea button {
    border: 0;
    background-color: transparent;
    font-size: 17px;
    outline: 0;
    cursor: pointer;
    padding: 0px 10px;
    color: #333;
}

.cart--item--qt {
    line-height: 30px;
    font-size: 12px;
    font-weight: bold;
    padding: 0px 5px;
    color: #000;
}

.cart--totalitem {
    padding: 15px 0;
    border-top: 1px solid #79b9dd;
    display: flex;
    justify-content: space-between;
    font-size: 15px;
}

.cart--totalitem span:first-child {
    font-weight: bold;
}

.cart--totalitem.big {
    font-size: 20px;
    color: #000;
    font-weight: bold;
    margin-bottom: 30px;
}

.cart--finalizar {
    padding: 20px 30px;
    border-radius: 20px;
    background-color: #F9CEEE;
    color: #FFF;
    cursor: pointer;
    text-align: center;
    transition: all ease .2s;
    text-decoration: none;
    margin-left: 20%;
    transition: 1s;
}

.cart--finalizar:hover {
    background-color: #bb6cba;
}

@media (max-width:1000px) {
    .food-area {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:840px) {
    body {
        flex-direction: column;
    }

    h1{
        font-size:x-large;
    }

    .food-area {
        display: block;
    }

    .food-item {
        max-width: 100%;
    }

    header {
        display: flex;
    }

    main {
        padding-top: 60px;
    }

    aside {
        width: auto;
        position: fixed;
        left: 100vw;
        right: 0;
        top: 0;
        bottom: 0;
        transition: all ease .2s;
    }

    aside.show {
        width: auto;
    }

    .cart--area {
        width: 100vw;
    }

    .menu-closer {
        display: block;
    }

    .foodWindowArea {
        justify-content: flex-start;
        align-items: flex-start;
    }

    .foodWindowBody {
        width: 100vw;
        display: block;
        padding: 20px;
        border-radius: 0;
        box-shadow: none;
        margin: 0;
    }

    .foodBig img {
        width: 75%;
        height: auto;
    }

    .foodInfo h1 {
        margin-top: 20px;
    }

    .foodInfo--qtarea {
        height: 60px;
    }

    .foodInfo--qtarea button {
        font-size: 25px;
        padding: 0px 25px;
    }

    .foodInfo--qt {
        line-height: 60px;
        font-size: 20px;
    }

    .foodInfo--addButton {
        font-size: 20px;
        display: block;
        text-align: center;
        margin: 30px auto;
    }

    .foodInfo--cancelButton {
        display: none;
    }

    .foodInfo--cancelMobileButton {
        display: block;
    }
}