body {
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: Google Sans,Helvetica Neue,sans-serif;
}
main {
    flex: 1 !important; 
    padding: 1em 0 1em 0 !important; 
    flex: 1; 
    display: flex; 
    flex-direction: column; 
    margin-bottom: 4em !important;
  }
.promotion{
    height: 5em;
    border: 1px solid green;
    width: 100%;
}
.category{
    width: auto;
    padding: 0 !important;
    margin-left: 0 !important;
}
.container-content{
    width: 77%;
    margin: 0;
}
footer{
    position: fixed;
    border: 1px solid teal !important;
    bottom: 0px;
    left: 0px;
    width: 100% !important;
    padding: 10px; 
    text-align: center; 
    margin-top: auto; 
    background-color:#007bff  ;
    height: 3em !important;
    font-size: 1rem !important;
}
.customer-start{
    width: 70%;
}
.customer-end{
    width: 30%;
}
.login-container{
    width: 100% !important;
}