@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Thin.woff2') format('woff2');
    font-weight: 100;
    font-display: swap;
}

@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-ExtraLight.woff2') format('woff2');
    font-weight: 200;
    font-display: swap;
}

@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Light.woff2') format('woff2');
    font-weight: 300;
    font-display: swap;
}

@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Regular.woff2') format('woff2');
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Medium.woff2') format('woff2');
    font-weight: 500;
    font-display: swap;
}

@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-display: swap;
}

@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Bold.woff2') format('woff2');
    font-weight: 700;
    font-display: swap;
}

@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-ExtraBold.woff2') format('woff2');
    font-weight: 800;
    font-display: swap;
}

@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Black.woff2') format('woff2');
    font-weight: 900;
    font-display: swap;
}

body {
    text-align: center;
    background-color: rgb(27, 27, 27);
    color: white;
    font-family: 'Pretendard';
    margin-left: 5%;
    margin-right: 5%;
}

.title_text {
    font-size: 100px;
    color: transparent;
    background: linear-gradient(90deg,rgba(5, 184, 255, 1) 0%, rgba(38, 255, 129, 1) 50%, rgba(255, 233, 38, 1) 100%);
    text-align: center;
    -webkit-background-clip: text;
}

.title_text_sub {
    font-size: 30px;
    color: transparent;
    background: linear-gradient(90deg,rgba(140, 222, 255, 1) 0%, rgba(163, 255, 201, 1) 50%, rgba(255, 250, 201, 1) 100%);
    text-align: center;
    -webkit-background-clip: text;
}

.bigbigtext {
    font-size: 55px;
    color: white;
    text-align: center;
}

.bigtext {
    font-size: 40px;
    color: white;
    text-align: center;
}

p {
  font-size: 18px;
}

strong {
    font-size: 120%;
}

.btn1 {
    background-color: rgb(230, 230, 230);
    font-size: 18px;
    padding: 10px 15px;
    font-family: 'Pretendard';
    box-shadow: 0px 5px rgb(0, 0, 0);
}

.btn1:active {
    box-shadow: 0px 0px rgb(0, 0, 0);
    transform: translateY(5px);
}

footer {
    color: gray;
}