body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    position: relative;
    font-family: 'Suisse Intl S Alt', -apple-system, 'Inter', system-ui, sans-serif;
    transition: none;
}

.react-key-logo {
    display: block;
    font-size: 20px;
    top: 21px;
    left: 26px;
    letter-spacing: -0.84px;
    line-height: 1;
    font-weight: 500;
    font-style: normal;
   
}

.text1, .text2 {
    position: absolute;
    top: 0;
    left: 0;
}

.text1 {
    animation: fadeOutIn 0.5s infinite;
}

.text2 {
    animation: fadeInOut 0.5s infinite;
}

@keyframes fadeOut {
    to { opacity: 0; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOutIn {
    0% { opacity: 1; }
    49% { opacity: 1; }
    50% { opacity: 0; }
    51% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes fadeInOut {
    0% { opacity: 0; }
    49% { opacity: 0; }
    50% { opacity: 1; }
    51% { opacity: 1; }
    100% { opacity: 0; }
}

#top-description {
    position: absolute;
    top: 20px;
    left: 20px;
}

#main-box {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 30px 30px 30px 30px;
    width: 500px;
    height: 450px;
    background-color: rgb(0, 0, 0);
    border-radius: 15px;
    box-shadow: 10px 10px 25px rgba(0, 0, 0, 0.2);   
    position: relative;
}

h1 {
   font-family: 'Suisse Intl S Alt', -apple-system, 'Inter', system-ui, sans-serif;
   color: white;
   font-size: 90px;
   letter-spacing: -5.52px;
   font-weight: 500;
   line-height: 1;
   position: relative;
}

.description-text {
    font-family: 'Suisse Intl S Alt', -apple-system, 'Inter', system-ui, sans-serif;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.4;
    
    max-width: 350px;
    margin: 30px 0 0 0;
}

.start-button {
    position: relative;
    margin-top: auto;
    margin-bottom: 0;
    background-color: white;
    color: black;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    font-family: 'Suisse Intl S Alt', -apple-system, 'Inter', system-ui, sans-serif;
    font-size: 16px;
    letter-spacing: -0.52px;
    font-weight: 500;
    line-height: 1;
    cursor: pointer;
}