ul {
    list-style: none;
    color: red;
    text-align: left;
    padding: 0;
}
.form,.form-login {
    width: 95%;
    margin: auto;
}
 .div-log{
     height: 100vh;
     display: flex;
     justify-content: center;
     align-items: center;
 }
 .btn-add {
     width: 130px;
     margin: auto;
 }
 .souris {
     cursor: pointer;
 }
 .categ {
     display: none;
 }
 .table_custom {
     font-size: 13px;
 }
@media (min-width: 772px) {
    .form {
        width: 50%;
        margin: auto;
    }
    .form-login {
        width: 50%;
    }

    .categ {
        display: block;
    }
}
@media (min-width: 992px) {
    .categ {
        display: block;
    }
    .table_custom {
        font-size: 16px;
    }
}