buttons style : demo 89

HTML

(CSS Framwork: Bootstrap)

CSS

(Fonts required: Quicksand.)
                        .btn{
                            color: #fff;
                            font-family: 'Quicksand', sans-serif;
                            font-size: 22px;
                            font-weight: 700;
                            letter-spacing: 1px;
                            text-transform: uppercase;
                            border-radius: 0;
                            border: 2px solid #03a9f4;
                            perspective: 500px;
                            overflow: hidden;
                            position: relative;
                            z-index: 1;
                            transition: all 0.3s ease 0s;
                        }
                        .btn:hover{
                            color: #fff;
                            border-color: #01579b;
                        }
                        .btn:before,
                        .btn:after{
                            content: '';
                            background-color: #03a9f4;
                            height: 110%;
                            width: 100%;
                            border-radius: 0 0 50% 50%;
                            position: absolute;
                            left: 0;
                            top: -10%;
                            z-index: -1;
                            transition: all 0.3s;
                        }
                        .btn:after{
                            background-color: #01579b;
                            border-radius: 50% 50% 0 0;
                            opacity: 0;
                            transform: rotateX(90deg);
                            transform-origin: bottom center;
                            left: auto;
                            right: 0;
                            top: auto;
                            bottom: -10%;
                            z-index: -2;
                        }
                        .btn:hover:before{
                            opacity: 0;
                            transform: rotateX(-90deg);
                            transform-origin: top left;
                        }
                        .btn:hover:after{
                            opacity: 1;
                            transform: rotateX(0);
                        }
                        .btn.red{ border-color: #f44336; }
                        .btn.red:hover{ border-color: #b71c1c; }
                        .btn.red:before{ background-color: #f44336; }
                        .btn.red:after{ background-color: #b71c1c; }
                        .btn.purple{ border-color: #673ab7; }
                        .btn.purple:hover{ border-color: #311b92; }
                        .btn.purple:before{ background-color: #673ab7; }
                        .btn.purple:after{ background-color: #311b92; }
                        .btn.green{ border-color: #4caf50; }
                        .btn.green:hover{ border-color: #1b5e20; }
                        .btn.green:before{ background-color: #4caf50; }
                        .btn.green:after{ background-color: #1b5e20; }
                        @media only screen and (max-width: 767px){
                            .btn{ margin-bottom: 20px; }
                        }
                    
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