buttons style : demo 60

CSS

                        .btn{
                            color: #444;
                            text-transform: uppercase;
                            border: none;
                            border-radius: 0;
                            position: relative;
                            z-index: 1;
                            transition: all 1s ease 0s;
                        }
                        .btn:before,
                        .btn:after{
                            content: "";
                            width: 100%;
                            height: 2px;
                            position: absolute;
                            top: 50%;
                            left: 0;
                            z-index: -1;
                            transition: all 0.3s ease 0s;
                        }
                        .btn:before{ transform: translateY(-22px); }
                        .btn:after{ transform: translateY(20px); }
                        .btn.btn-sm:before{ transform: translateY(-14px); }
                        .btn.btn-sm:after{ transform: translateY(12px); }
                        .btn.btn-xs:before{ transform: translateY(-10px); }
                        .btn.btn-xs:after{ transform: translateY(8px); }
                        .btn:hover:before{
                            transform: rotate(45deg);
                            background: rgba(0, 0, 0, 0.3);
                        }
                        .btn:hover:after{
                            transform: rotate(-45deg);
                            background: rgba(0, 0, 0, 0.3);
                        }
                        .btn.red:hover{ color: #fe6d6d; }
                        .btn.red:before,
                        .btn.red:after{ background: #fe6d6d; }
                        .btn.blue:hover{ color: #3bb4e5; }
                        .btn.blue:before,
                        .btn.blue:after{ background: #3bb4e5; }
                        .btn.orange:hover{ color: #ee955b; }
                        .btn.orange:before,
                        .btn.orange:after{ background: #ee955b; }
                        .btn.green:hover{ color: #79d799; }
                        .btn.green:before,
                        .btn.green:after{ background: #79d799; }
                        @media only screen and (max-width: 767px){
                            .btn{ margin-bottom: 20px; }
                        }
                    
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