Modal style : demo 75

HTML

(Icons : Fontawesome & CSS Framwork: Bootstrap)
                        

CSS

(Fonts required: Noto Sans JP)
                        .modal-box{ font-family: 'Noto Sans JP', sans-serif; }
                        .modal-box .show-modal{
                            color: #EF4141;
                            background-color: #fff;
                            font-size: 18px;
                            font-weight: 600;
                            text-transform: capitalize;
                            padding: 8px 15px 9px;
                            margin: 80px auto 0;
                            border: none;
                            border-radius: 5px;
                            box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
                            display: block;
                            transition: all 0.3s ease 0s;
                        }
                        .modal-box .show-modal:hover,
                        .modal-box .show-modal:focus{
                            color: #fff;
                            background-color: #EF4141;
                            outline: none;
                        }
                        .modal-backdrop.in{ opacity: 0; }
                        .modal-box .modal-dialog{
                            width: 400px;
                            margin: 50px auto 0;
                        }
                        .modal.fade .modal-dialog{
                            transform-origin: bottom center;
                            transform: translateY(50px) rotate(90deg);
                        }
                        .modal.in .modal-dialog{ transform: translateY(0) rotate(0); }
                        .modal-box .modal-dialog .modal-content{
                            background: #fff;
                            text-align: center;
                            border-radius: 0;
                            box-shadow: 0 0 8px rgba(0, 0, 0, 0.2);
                        }
                        .modal-box .modal-dialog .modal-content .close{
                            color: #000;
                            background-color: #fff;
                            font-size: 20px;
                            font-weight: 600;
                            text-shadow: none;
                            line-height: 20px;
                            height: 30px;
                            width: 30px;
                            box-shadow: 0 0 5px rgba(0,0,0,0.3);
                            border-radius: 50%;
                            overflow: hidden;
                            opacity: 1;
                            position: absolute;
                            left: auto;
                            right: -5px;
                            top: -5px;
                            z-index: 1;
                            transition: all 0.3s;
                        }
                        .modal-box .modal-dialog .modal-content .close:hover{ color: #EF4141; }
                        .modal-box .modal-dialog .modal-content .close:focus{ outline: none; }
                        .modal-box .modal-dialog .modal-content .modal-body{ padding: 0; }
                        .modal-box .modal-dialog .modal-content .modal-body .icon{
                            color: #fff;
                            background: linear-gradient(to right bottom, #D72841, #F7901F);
                            font-size: 100px;
                            line-height: 100px;
                            padding: 30px 20px 40px;
                            margin: 0 0 35px;
                            text-shadow: -4px -4px rgba(255, 255, 255, 0.3), -8px -8px rgba(255, 255, 255, 0.15);
                        }
                        .modal-box .modal-dialog .modal-content .modal-body .title{
                            color: #EF4141;
                            font-size: 45px;
                            font-weight: 600;
                            letter-spacing: 2px;
                            text-transform: uppercase;
                            margin: 0 0 10px;
                        }
                        .modal-box .modal-dialog .modal-content .modal-body .description{
                            color: #000;
                            font-size: 25px;
                            font-weight: 500;
                            letter-spacing: 1px;
                            text-transform: uppercase;
                            margin: 0 25px 40px;
                        }
                        .modal-box .modal-dialog .modal-content .modal-footer{
                            background-color: #f5f5f5;
                            border: none;
                        }
                        .modal-box .modal-dialog .modal-content .modal-footer .btn{
                            color: #fff;
                            background: #EF4141;
                            font-size: 18px;
                            font-weight: 400;
                            letter-spacing: 1px;
                            text-transform: capitalize;
                            padding: 10px 15px 12px;
                            border: none;
                            border-radius: 0;
                            transition: all 0.3s ease 0s;
                        }
                        .modal-box .modal-dialog .modal-content .modal-footer .btn:nth-child(1){ background-color: #222; }
                        .modal-box .modal-dialog .modal-content .modal-footer .btn:hover{ box-shadow: 3px 3px 3px rgba(0, 0, 0, .4); }
                        .modal-box .modal-dialog .modal-content .modal-footer .btn:focus{ outline: none; }
                        @media only screen and (max-width: 576px){
                            .modal-dialog{ width: 95% !important; }
                        }
                    

JavaScript

(Modal depend on jQuery and Bootstrap.)
                        
                        
                    
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