style.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600&display=swap');

:root{
   --green:#27ae60;
   --black:#333;
   --white:#fff;
   --bg-color:#eee;
   --box-shadow:0 .5rem 1rem rgba(0,0,0,.1);
   --border:.1rem solid var(--black);
}

*{
   font-family: 'Poppins', sans-serif;
   margin:0; padding:0;
   box-sizing: border-box;
   outline: none; border:none;
   text-decoration: none;
   text-transform: capitalize;
}
html{
   font-size: 62.5%;
   overflow-x: hidden;
}

.btn{
   display: block;
   width: 100%;
   cursor: pointer;
   border-radius: .5rem;
   margin-top: 1rem;
   font-size: 1.7rem;
   padding:1rem 3rem;
   background: var(--green);
   color:var(--white);
   text-align: center;
}

.btn:hover{
   background: var(--black);
}

.message{
   display: block;
   background: var(--bg-color);
   padding:1.5rem 1rem;
   font-size: 2rem;
   color:var(--black);
   margin-bottom: 2rem;
   text-align: center;
}

.container{
   max-width: 1200px;
   padding:2rem;
   margin:0 auto;
}

.admin-product-form-container form{
   max-width: 50rem;
   margin:0 auto;
   padding:2rem;
   border-radius: .5rem;
   background: var(--bg-color);
}

.admin-product-form-container form h3{
   text-transform: uppercase;
   color:var(--black);
   margin-bottom: 1rem;
   text-align: center;
   font-size: 2.5rem;
}

.admin-product-form-container form .box{
   width: 100%;
   border-radius: .5rem;
   padding:1.2rem 1.5rem;
   font-size: 1.7rem;
   margin:1rem 0;
   background: var(--white);
   text-transform: none;
}

















@media (max-width:991px){

   html{
      font-size: 55%;
   }

}

@media (max-width:768px){

   .product-display{
      overflow-y:scroll;
   }

   .product-display .product-display-table{
      width: 80rem;
   }

}

@media (max-width:450px){

   html{
      font-size: 50%;
   }

}