h1:focus {
    outline: none;
}

#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }
/*¹öÆ°µé µðÀÚÀÎ*/
body {
    background: #e0e5ec;
}

h1 {
    position: relative;
    text-align: center;
    color: #353535;
    font-size: 50px;
    font-family: "Cormorant Garamond", serif;
}

p {
    font-family: 'Lato', sans-serif;
    font-weight: 300;
    text-align: center;
    font-size: 18px;
    color: #676767;
}

.frame {
    width: 90%;
    margin: 40px auto;
    text-align: center;
}

button {
    margin: 20px;
}

.custom-btn {
    width: 130px;
    height: 40px;
    color: #fff;
    border-radius: 5px;
    padding: 10px 25px;
    font-family: 'Lato', sans-serif;
    font-weight: 500;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
    box-shadow: inset 2px 2px 2px 0px rgba(255,255,255,.5), 7px 7px 20px 0px rgba(0,0,0,.1), 4px 4px 5px 0px rgba(0,0,0,.1);
    outline: none;
}

/* 1 */
.btn-1 {
    background: rgb(6,14,131);
    background: linear-gradient(0deg, rgba(6,14,131,1) 0%, rgba(12,25,180,1) 100%);
    border: none;
}

    .btn-1:hover {
        background: rgb(0,3,255);
        background: linear-gradient(0deg, rgba(0,3,255,1) 0%, rgba(2,126,251,1) 100%);
    }

/* 2 */
.btn-2 {
    background: rgb(96,9,240);
    background: linear-gradient(0deg, rgba(96,9,240,1) 0%, rgba(129,5,240,1) 100%);
    border: none;
}

    .btn-2:before {
        height: 0%;
        width: 2px;
    }

    .btn-2:hover {
        box-shadow: 4px 4px 6px 0 rgba(255,255,255,.5), -4px -4px 6px 0 rgba(116, 125, 136, .5), inset -4px -4px 6px 0 rgba(255,255,255,.2), inset 4px 4px 6px 0 rgba(0, 0, 0, .4);
    }


/* 3 */
.btn-3 {
    background: rgb(0,172,238);
    background: linear-gradient(0deg, rgba(0,172,238,1) 0%, rgba(2,126,251,1) 100%);
    width: 130px;
    height: 40px;
    line-height: 42px;
    padding: 0;
    border: none;
}

    .btn-3 span {
        position: relative;
        display: block;
        width: 100%;
        height: 100%;
    }

    .btn-3:before,
    .btn-3:after {
        position: absolute;
        content: "";
        right: 0;
        top: 0;
        background: rgba(2,126,251,1);
        transition: all 0.3s ease;
    }

    .btn-3:before {
        height: 0%;
        width: 2px;
    }

    .btn-3:after {
        width: 0%;
        height: 2px;
    }

    .btn-3:hover {
        background: transparent;
        box-shadow: none;
    }

        .btn-3:hover:before {
            height: 100%;
        }

        .btn-3:hover:after {
            width: 100%;
        }

    .btn-3 span:hover {
        color: rgba(2,126,251,1);
    }

    .btn-3 span:before,
    .btn-3 span:after {
        position: absolute;
        content: "";
        left: 0;
        bottom: 0;
        background: rgba(2,126,251,1);
        transition: all 0.3s ease;
    }

    .btn-3 span:before {
        width: 2px;
        height: 0%;
    }

    .btn-3 span:after {
        width: 0%;
        height: 2px;
    }

    .btn-3 span:hover:before {
        height: 100%;
    }

    .btn-3 span:hover:after {
        width: 100%;
    }

/* 4 */
.btn-4 {
    background-color: #4dccc6;
    background-image: linear-gradient(315deg, #4dccc6 0%, #96e4df 74%);
    line-height: 42px;
    padding: 0;
    border: none;
}

    .btn-4:hover {
        background-color: #89d8d3;
        background-image: linear-gradient(315deg, #89d8d3 0%, #03c8a8 74%);
    }

    .btn-4 span {
        position: relative;
        display: block;
        width: 100%;
        height: 100%;
    }

    .btn-4:before,
    .btn-4:after {
        position: absolute;
        content: "";
        right: 0;
        top: 0;
        box-shadow: 4px 4px 6px 0 rgba(255,255,255,.9), -4px -4px 6px 0 rgba(116, 125, 136, .2), inset -4px -4px 6px 0 rgba(255,255,255,.9), inset 4px 4px 6px 0 rgba(116, 125, 136, .3);
        transition: all 0.3s ease;
    }

    .btn-4:before {
        height: 0%;
        width: .1px;
    }

    .btn-4:after {
        width: 0%;
        height: .1px;
    }

    .btn-4:hover:before {
        height: 100%;
    }

    .btn-4:hover:after {
        width: 100%;
    }

    .btn-4 span:before,
    .btn-4 span:after {
        position: absolute;
        content: "";
        left: 0;
        bottom: 0;
        box-shadow: 4px 4px 6px 0 rgba(255,255,255,.9), -4px -4px 6px 0 rgba(116, 125, 136, .2), inset -4px -4px 6px 0 rgba(255,255,255,.9), inset 4px 4px 6px 0 rgba(116, 125, 136, .3);
        transition: all 0.3s ease;
    }

    .btn-4 span:before {
        width: .1px;
        height: 0%;
    }

    .btn-4 span:after {
        width: 0%;
        height: .1px;
    }

    .btn-4 span:hover:before {
        height: 100%;
    }

    .btn-4 span:hover:after {
        width: 100%;
    }

/* 5 */
.btn-5 {
    width: 130px;
    height: 40px;
    line-height: 42px;
    padding: 0;
    border: none;
    background: rgb(255,27,0);
    background: linear-gradient(0deg, rgba(255,27,0,1) 0%, rgba(251,75,2,1) 100%);
}

    .btn-5:hover {
        color: #f0094a;
        background: transparent;
        box-shadow: none;
    }

    .btn-5:before,
    .btn-5:after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        height: 2px;
        width: 0;
        background: #f0094a;
        box-shadow: -1px -1px 5px 0px #fff, 7px 7px 20px 0px #0003, 4px 4px 5px 0px #0002;
        transition: 400ms ease all;
    }

    .btn-5:after {
        right: inherit;
        top: inherit;
        left: 0;
        bottom: 0;
    }

    .btn-5:hover:before,
    .btn-5:hover:after {
        width: 100%;
        transition: 800ms ease all;
    }


/* 6 */
.btn-6 {
    background: rgb(247,150,192);
    background: radial-gradient(circle, rgba(247,150,192,1) 0%, rgba(118,174,241,1) 100%);
    line-height: 42px;
    padding: 0;
    border: none;
}

    .btn-6 span {
        position: relative;
        display: block;
        width: 100%;
        height: 100%;
    }

    .btn-6:before,
    .btn-6:after {
        position: absolute;
        content: "";
        height: 0%;
        width: 1px;
        box-shadow: -1px -1px 20px 0px rgba(255,255,255,1), -4px -4px 5px 0px rgba(255,255,255,1), 7px 7px 20px 0px rgba(0,0,0,.4), 4px 4px 5px 0px rgba(0,0,0,.3);
    }

    .btn-6:before {
        right: 0;
        top: 0;
        transition: all 500ms ease;
    }

    .btn-6:after {
        left: 0;
        bottom: 0;
        transition: all 500ms ease;
    }

    .btn-6:hover {
        background: transparent;
        color: #76aef1;
        box-shadow: none;
    }

        .btn-6:hover:before {
            transition: all 500ms ease;
            height: 100%;
        }

        .btn-6:hover:after {
            transition: all 500ms ease;
            height: 100%;
        }

    .btn-6 span:before,
    .btn-6 span:after {
        position: absolute;
        content: "";
        box-shadow: -1px -1px 20px 0px rgba(255,255,255,1), -4px -4px 5px 0px rgba(255,255,255,1), 7px 7px 20px 0px rgba(0,0,0,.4), 4px 4px 5px 0px rgba(0,0,0,.3);
    }

    .btn-6 span:before {
        left: 0;
        top: 0;
        width: 0%;
        height: .5px;
        transition: all 500ms ease;
    }

    .btn-6 span:after {
        right: 0;
        bottom: 0;
        width: 0%;
        height: .5px;
        transition: all 500ms ease;
    }

    .btn-6 span:hover:before {
        width: 100%;
    }

    .btn-6 span:hover:after {
        width: 100%;
    }

/* 7 */
.btn-7 {
    background: linear-gradient(0deg, rgba(255,151,0,1) 0%, rgba(251,75,2,1) 100%);
    line-height: 42px;
    padding: 0;
    border: none;
}

    .btn-7 span {
        position: relative;
        display: block;
        width: 100%;
        height: 100%;
    }

    .btn-7:before,
    .btn-7:after {
        position: absolute;
        content: "";
        right: 0;
        bottom: 0;
        background: rgba(251,75,2,1);
        box-shadow: -7px -7px 20px 0px rgba(255,255,255,.9), -4px -4px 5px 0px rgba(255,255,255,.9), 7px 7px 20px 0px rgba(0,0,0,.2), 4px 4px 5px 0px rgba(0,0,0,.3);
        transition: all 0.3s ease;
    }

    .btn-7:before {
        height: 0%;
        width: 2px;
    }

    .btn-7:after {
        width: 0%;
        height: 2px;
    }

    .btn-7:hover {
        color: rgba(251,75,2,1);
        background: transparent;
    }

        .btn-7:hover:before {
            height: 100%;
        }

        .btn-7:hover:after {
            width: 100%;
        }

    .btn-7 span:before,
    .btn-7 span:after {
        position: absolute;
        content: "";
        left: 0;
        top: 0;
        background: rgba(251,75,2,1);
        box-shadow: -7px -7px 20px 0px rgba(255,255,255,.9), -4px -4px 5px 0px rgba(255,255,255,.9), 7px 7px 20px 0px rgba(0,0,0,.2), 4px 4px 5px 0px rgba(0,0,0,.3);
        transition: all 0.3s ease;
    }

    .btn-7 span:before {
        width: 2px;
        height: 0%;
    }

    .btn-7 span:after {
        height: 2px;
        width: 0%;
    }

    .btn-7 span:hover:before {
        height: 100%;
    }

    .btn-7 span:hover:after {
        width: 100%;
    }

/* 8 */
.btn-8 {
    background-color: #f0ecfc;
    background-image: linear-gradient(315deg, #f0ecfc 0%, #c797eb 74%);
    line-height: 42px;
    padding: 0;
    border: none;
}

    .btn-8 span {
        position: relative;
        display: block;
        width: 100%;
        height: 100%;
    }

    .btn-8:before,
    .btn-8:after {
        position: absolute;
        content: "";
        right: 0;
        bottom: 0;
        background: #c797eb;
        /*box-shadow:  4px 4px 6px 0 rgba(255,255,255,.5),
              -4px -4px 6px 0 rgba(116, 125, 136, .2), 
    inset -4px -4px 6px 0 rgba(255,255,255,.5),
    inset 4px 4px 6px 0 rgba(116, 125, 136, .3);*/
        transition: all 0.3s ease;
    }

    .btn-8:before {
        height: 0%;
        width: 2px;
    }

    .btn-8:after {
        width: 0%;
        height: 2px;
    }

    .btn-8:hover:before {
        height: 100%;
    }

    .btn-8:hover:after {
        width: 100%;
    }

    .btn-8:hover {
        background: transparent;
    }

    .btn-8 span:hover {
        color: #c797eb;
    }

    .btn-8 span:before,
    .btn-8 span:after {
        position: absolute;
        content: "";
        left: 0;
        top: 0;
        background: #c797eb;
        /*box-shadow:  4px 4px 6px 0 rgba(255,255,255,.5),
              -4px -4px 6px 0 rgba(116, 125, 136, .2), 
    inset -4px -4px 6px 0 rgba(255,255,255,.5),
    inset 4px 4px 6px 0 rgba(116, 125, 136, .3);*/
        transition: all 0.3s ease;
    }

    .btn-8 span:before {
        width: 2px;
        height: 0%;
    }

    .btn-8 span:after {
        height: 2px;
        width: 0%;
    }

    .btn-8 span:hover:before {
        height: 100%;
    }

    .btn-8 span:hover:after {
        width: 100%;
    }


/* 9 */
.btn-9 {
    border: none;
    transition: all 0.3s ease;
    overflow: hidden;
}

    .btn-9:after {
        position: absolute;
        content: " ";
        z-index: -1;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: #1fd1f9;
        background-image: linear-gradient(315deg, #1fd1f9 0%, #b621fe 74%);
        transition: all 0.3s ease;
    }

    .btn-9:hover {
        background: transparent;
        box-shadow: 4px 4px 6px 0 rgba(255,255,255,.5), -4px -4px 6px 0 rgba(116, 125, 136, .2), inset -4px -4px 6px 0 rgba(255,255,255,.5), inset 4px 4px 6px 0 rgba(116, 125, 136, .3);
        color: #fff;
    }

        .btn-9:hover:after {
            -webkit-transform: scale(2) rotate(180deg);
            transform: scale(2) rotate(180deg);
            box-shadow: 4px 4px 6px 0 rgba(255,255,255,.5), -4px -4px 6px 0 rgba(116, 125, 136, .2), inset -4px -4px 6px 0 rgba(255,255,255,.5), inset 4px 4px 6px 0 rgba(116, 125, 136, .3);
        }

/* 10 */
.btn-10 {
    background: rgb(22,9,240);
    background: linear-gradient(0deg, rgba(22,9,240,1) 0%, rgba(49,110,244,1) 100%);
    color: #fff;
    border: none;
    transition: all 0.3s ease;
    overflow: hidden;
}

    .btn-10:after {
        position: absolute;
        content: " ";
        top: 0;
        left: 0;
        z-index: -1;
        width: 100%;
        height: 100%;
        transition: all 0.3s ease;
        -webkit-transform: scale(.1);
        transform: scale(.1);
    }

    .btn-10:hover {
        color: #fff;
        border: none;
        background: transparent;
    }

        .btn-10:hover:after {
            background: rgb(0,3,255);
            background: linear-gradient(0deg, rgba(2,126,251,1) 0%, rgba(0,3,255,1)100%);
            -webkit-transform: scale(1);
            transform: scale(1);
        }

/* 11 */
.btn-11 {
    border: none;
    background: rgb(251,33,117);
    background: linear-gradient(0deg, rgba(251,33,117,1) 0%, rgba(234,76,137,1) 100%);
    color: #fff;
    overflow: hidden;
}

    .btn-11:hover {
        text-decoration: none;
        color: #fff;
    }

    .btn-11:before {
        position: absolute;
        content: '';
        display: inline-block;
        top: -180px;
        left: 0;
        width: 30px;
        height: 100%;
        background-color: #fff;
        animation: shiny-btn1 3s ease-in-out infinite;
    }

    .btn-11:hover {
        opacity: .7;
    }

    .btn-11:active {
        box-shadow: 4px 4px 6px 0 rgba(255,255,255,.3), -4px -4px 6px 0 rgba(116, 125, 136, .2), inset -4px -4px 6px 0 rgba(255,255,255,.2), inset 4px 4px 6px 0 rgba(0, 0, 0, .2);
    }


@-webkit-keyframes shiny-btn1 {
    0% {
        -webkit-transform: scale(0) rotate(45deg);
        opacity: 0;
    }

    80% {
        -webkit-transform: scale(0) rotate(45deg);
        opacity: 0.5;
    }

    81% {
        -webkit-transform: scale(4) rotate(45deg);
        opacity: 1;
    }

    100% {
        -webkit-transform: scale(50) rotate(45deg);
        opacity: 0;
    }
}


/* 12 */
.btn-12 {
    position: relative;
    right: 20px;
    bottom: 20px;
    border: none;
    box-shadow: none;
    width: 130px;
    height: 40px;
    line-height: 42px;
    -webkit-perspective: 230px;
    perspective: 230px;
}

    .btn-12 span {
        background: rgb(0,172,238);
        background: linear-gradient(0deg, rgba(0,172,238,1) 0%, rgba(2,126,251,1) 100%);
        display: block;
        position: absolute;
        width: 130px;
        height: 40px;
        box-shadow: inset 2px 2px 2px 0px rgba(255,255,255,.5), 7px 7px 20px 0px rgba(0,0,0,.1), 4px 4px 5px 0px rgba(0,0,0,.1);
        border-radius: 5px;
        margin: 0;
        text-align: center;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
        -webkit-transition: all .3s;
        transition: all .3s;
    }

        .btn-12 span:nth-child(1) {
            box-shadow: -7px -7px 20px 0px #fff9, -4px -4px 5px 0px #fff9, 7px 7px 20px 0px #0002, 4px 4px 5px 0px #0001;
            -webkit-transform: rotateX(90deg);
            -moz-transform: rotateX(90deg);
            transform: rotateX(90deg);
            -webkit-transform-origin: 50% 50% -20px;
            -moz-transform-origin: 50% 50% -20px;
            transform-origin: 50% 50% -20px;
        }

        .btn-12 span:nth-child(2) {
            -webkit-transform: rotateX(0deg);
            -moz-transform: rotateX(0deg);
            transform: rotateX(0deg);
            -webkit-transform-origin: 50% 50% -20px;
            -moz-transform-origin: 50% 50% -20px;
            transform-origin: 50% 50% -20px;
        }

    .btn-12:hover span:nth-child(1) {
        box-shadow: inset 2px 2px 2px 0px rgba(255,255,255,.5), 7px 7px 20px 0px rgba(0,0,0,.1), 4px 4px 5px 0px rgba(0,0,0,.1);
        -webkit-transform: rotateX(0deg);
        -moz-transform: rotateX(0deg);
        transform: rotateX(0deg);
    }

    .btn-12:hover span:nth-child(2) {
        box-shadow: inset 2px 2px 2px 0px rgba(255,255,255,.5), 7px 7px 20px 0px rgba(0,0,0,.1), 4px 4px 5px 0px rgba(0,0,0,.1);
        color: transparent;
        -webkit-transform: rotateX(-90deg);
        -moz-transform: rotateX(-90deg);
        transform: rotateX(-90deg);
    }


/* 13 */
.btn-13 {
    background-color: #89d8d3;
    background-image: linear-gradient(315deg, #89d8d3 0%, #03c8a8 74%);
    border: none;
    z-index: 1;
}

    .btn-13:after {
        position: absolute;
        content: "";
        width: 100%;
        height: 0;
        bottom: 0;
        left: 0;
        z-index: -1;
        border-radius: 5px;
        background-color: #4dccc6;
        background-image: linear-gradient(315deg, #4dccc6 0%, #96e4df 74%);
        box-shadow: -7px -7px 20px 0px #fff9, -4px -4px 5px 0px #fff9, 7px 7px 20px 0px #0002, 4px 4px 5px 0px #0001;
        transition: all 0.3s ease;
    }

    .btn-13:hover {
        color: #fff;
    }

        .btn-13:hover:after {
            top: 0;
            height: 100%;
        }

    .btn-13:active {
        top: 2px;
    }


/* 14 */
.btn-14 {
    background: rgb(255,151,0);
    border: none;
    z-index: 1;
}

    .btn-14:after {
        position: absolute;
        content: "";
        width: 100%;
        height: 0;
        top: 0;
        left: 0;
        z-index: -1;
        border-radius: 5px;
        background-color: #eaf818;
        background-image: linear-gradient(315deg, #eaf818 0%, #f6fc9c 74%);
        box-shadow: inset 2px 2px 2px 0px rgba(255,255,255,.5);
        7px 7px 20px 0px rgba(0,0,0,.1), 4px 4px 5px 0px rgba(0,0,0,.1);
        transition: all 0.3s ease;
    }

    .btn-14:hover {
        color: #000;
    }

        .btn-14:hover:after {
            top: auto;
            bottom: 0;
            height: 100%;
        }

    .btn-14:active {
        top: 2px;
    }

/* 15 */
.btn-15 {
    background: #b621fe;
    border: none;
    z-index: 1;
}

    .btn-15:after {
        position: absolute;
        content: "";
        width: 0;
        height: 100%;
        top: 0;
        right: 0;
        z-index: -1;
        background-color: #663dff;
        border-radius: 5px;
        box-shadow: inset 2px 2px 2px 0px rgba(255,255,255,.5), 7px 7px 20px 0px rgba(0,0,0,.1), 4px 4px 5px 0px rgba(0,0,0,.1);
        transition: all 0.3s ease;
    }

    .btn-15:hover {
        color: #fff;
    }

        .btn-15:hover:after {
            left: 0;
            width: 100%;
        }

    .btn-15:active {
        top: 2px;
    }


/* 16 */
.btn-16 {
    border: none;
    color: #000;
}

    .btn-16:after {
        position: absolute;
        content: "";
        width: 0;
        height: 100%;
        top: 0;
        left: 0;
        direction: rtl;
        z-index: -1;
        box-shadow: -7px -7px 20px 0px #fff9, -4px -4px 5px 0px #fff9, 7px 7px 20px 0px #0002, 4px 4px 5px 0px #0001;
        transition: all 0.3s ease;
    }

    .btn-16:hover {
        color: #000;
    }

        .btn-16:hover:after {
            left: auto;
            right: 0;
            width: 100%;
        }

    .btn-16:active {
        top: 2px;
    }