buttons style : demo 40

CSS

                        .btn{
                            border: none;
                            border-radius: 0;
                            text-transform: uppercase;
                            padding-top: 0;
                            padding-bottom: 0;
                            position: relative;
                            transition: all 0.3s ease 0s;
                        }
                        .btn:before{
                            content: "";
                            display: block;
                            width: 100%;
                            position: absolute;
                            top: 0;
                            left: 0;
                            border-top: 2px solid transparent;
                            transition: all 0.3s ease 0s;
                        }
                        .btn:hover:before{
                            transform: translateY(42px);
                        }
                        .btn:after{
                            content: "\f105";
                            font-family: "Font Awesome 5 Free";
                            font-weight: 900;
                            display: inline-block;
                            width: 44px;
                            height: 44px;
                            border: 2px solid transparent;
                            font-size: 24px;
                            line-height: 40px;
                            position: relative;
                            top: 0;
                            right: -16px;
                            transition: all 0.43s ease 0s;
                        }
                        .btn:hover:after{
                            transform: rotateX(180deg);
                        }
                        .btn.btn-sm:hover:before{
                            transform: translateY(32px);
                        }
                        .btn.btn-sm:after{
                            width: 34px;
                            height: 34px;
                            line-height: 30px;
                            font-size: 20px;
                            right: -10px;
                        }
                        .btn.btn-xs:hover:before{
                            transform: translateY(22px);
                        }
                        .btn.btn-xs:after{
                            width: 24px;
                            height: 24px;
                            line-height: 20px;
                            font-size: 16px;
                            right: -5px;
                        }
                        .btn.red{
                            color: #ff6e6e;
                        }
                        .btn.red:before,
                        .btn.red:after{
                            border-color: #ff6e6e;
                        }
                        .btn.blue{
                            color: #5cbcf7;
                        }
                        .btn.blue:before,
                        .btn.blue:after{
                            border-color: #5cbcf7;
                        }
                        .btn.orange{
                            color: #ef965b;
                        }
                        .btn.orange:before,
                        .btn.orange:after{
                            border-color: #ef965b;
                        }
                        .btn.green{
                            color: #7ad79a;
                        }
                        .btn.green:before,
                        .btn.green:after{
                            border-color: #7ad79a;
                        }
                        @media only  screen and (max-width: 767px){
                            .btn{ margin-bottom: 20px; }
                        }
                    
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