buttons style : demo 201

                        

                            

                                

                                    
                                        button
                                    
                                
                            
                        
                    

                    .btn{
                        color: #fff;
                        background: #ff8b00;
                        font-family:'Ubuntu', sans-serif;
                        font-size: 18px;
                        font-weight: 700;
                        text-transform: uppercase;
                        padding: 6px 12px 8px;
                        border: 3px solid #ff8b00;
                        border-radius: 0;
                        position: relative;
                        z-index: 1;
                        transition: all 0.3s linear;
                    }
                    .btn:focus{ color: #fff; }
                    .btn:hover{ color: #ff8b00; }
                    .btn:before{
                        content: "";
                        background: #fff;
                        width: 0;
                        height: 100%;
                        position: absolute;
                        top: 0;
                        left: 0;
                        z-index: -1;
                        transition: all 0.3s ease;
                    }
                    .btn:hover:before{ 
                        left: auto;
                        right: 0;
                        width: 100%;
                    } 
                    @media only screen and (max-width: 767px){
                        .btn{ margin-bottom: 30px; }
                    }