stylesheet.css

*{
    box-sizing: border-box;
}        
body  {
    margin: 0;
    padding: 0;
    border: 0;
    vertical-align: baseline;
    font-family:cursive;
    line-height: 1.6;
}
p{
    margin: 0;
    padding: 50px 10px 10px 10px;
    font-size: 100%;
}
h1{
    text-align: center;
}
.parent{
    display:flex;
    flex-wrap: wrap;
    justify-content:space-evenly;
    width: 100%;
}
.parent > div{
    padding: 0;
    border: 3px solid black;
    background: rgb(202, 202, 187);
}
#beeff,
#chickenn,
#sushii{
    border-left: 3px solid black;
    border-bottom:3px solid black;
    float: right;
    padding:0 10px;
    background-color: rgb(0, 247, 255);
    font-size: 175% ;
}

/* desktop-view */
@media (min-width: 992px) {
    .col-lg-1{width: 8.33%;}
    .col-lg-2{width: 16.66%;}
    .col-lg-3{width: 25%;}
    .col-lg-4{width: calc(33.33% - 10px);}
    .col-lg-5{width: 41.66%;}
    .col-lg-6{width: 50%;}
    .col-lg-7{width: 58.33%;}
    .col-lg-8{width: 66.66%;}
    .col-lg-9{width: 74.99%;}
    .col-lg-10{width: 83.33%;}
    .col-lg-11{width: 91.66%;}
    .col-lg-12{width: 100%;}
}

/* tablet-view  */
@media (min-width: 768px)and (max-width: 991px) {
    .col-md-1{width: 8.33%;}
    .col-md-2{width: 16.66%;}
    .col-md-3{width: 25%;}
    .col-md-4{width: 33.33%;}
    .col-md-5{width: 41.66%;}
    .col-md-6{width: calc(50% - 10px);}
    .col-md-7{width: 58.33%;}
    .col-md-8{width: 66.66%;}
    .col-md-9{width: 74.99%;}
    .col-md-10{width: 83.33%;}
    .col-md-11{width: 91.66%;}
    .col-md-12{
        margin: 7px;
        width: 100%;
    }
   }

/* /* mobile-view */

@media (max-width: 767px){
    .col-sm-1{width: 8.33%;}
    .col-sm-2{width: 16.66%;}
    .col-sm-3{width: 25%;}
    .col-sm-4{width: 33.33%;}
    .col-sm-5{width: 41.66%;}
    .col-sm-6{width: 50%;}
    .col-sm-7{width: 58.33%;}
    .col-sm-8{width: 66.66%;}
    .col-sm-9{width: 74.99%;}
    .col-sm-10{width: 83.33%;}
    .col-sm-11{
        margin: 10px;
        width: 91.66%;
    }
    .col-sm-12{width: 100%;}
}