::-webkit-scrollbar {
    display: none;
}

::selection {
    background-color: #D5F85C;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    display: flex;
    min-height: 100vh;
    flex-wrap: nowrap;
    background: #f6f6f6;
    align-items: center;
    scrollbar-width: none;
    flex-direction: column;
    justify-content: center;
    -ms-overflow-style: none;
    animation-iteration-count: 1;
    animation-fill-mode: forwards;
    animation: fadeInAnimation ease 4s;
}

.welcome, .business, .soon, .kez {
    display: block;
    margin: 2rem auto;
}

.welcome img {
    width: 20vw;
}

.business img {
    width: 46vw;
}

.kez img {
    width: 42vw;
}

.soon img {
    width: 25vw;
}

@keyframes fadeInAnimation {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
     }
}

@media only screen and (max-width: 1200px) {
    .welcome img {
        width: 25vw;
    }
    
    .business img {
        width: 50vw;
    }
    
    .kez img {
        width: 48vw;
    }
    
    .soon img {
        width: 28vw;
    }
}

@media only screen and (max-width: 900px) {
    .welcome img {
        width: 30vw;
    }
    
    .business img {
        width: 58vw;
    }
    
    .kez img {
        width: 56vw;
    }
    
    .soon img {
        width: 34vw;
    }
}

@media only screen and (max-width: 768px) {
    .welcome, .business, .soon, .kez {
        margin: 3% auto;
    }
    .welcome img {
        width: 36vw;
    }
    
    .business img {
        width: 68vw;
    }
    
    .kez img {
        width: 62vw;
    }
    
    .soon img {
        width: 42vw;
    }
}

@media only screen and (max-width: 576px) {
    .welcome, .business, .soon, .kez {
        margin: 4% auto;
    }
    .welcome img {
        width: 40vw;
    }
    
    .business img {
        width: 74vw;
    }
    
    .kez img {
        width: 70vw;
    }
    
    .soon img {
        width: 50vw;
    }
}

@media only screen and (max-width: 425px) {
    .welcome, .business, .soon, .kez {
        margin: 5% auto;
    }
    .welcome img {
        width: 52vw;
    }
    
    .business img {
        width: 80vw;
    }
    
    .kez img {
        width: 78vw;
    }
    
    .soon img {
        width: 60vw;
    }
}

@media only screen and (max-width: 320px) {
    .welcome, .business, .soon, .kez {
        margin: 5% auto;
    }
    .welcome img {
        width: 50vw;
    }
    
    .business img {
        width: 80vw;
    }
    
    .kez img {
        width: 85vw;
    }
    
    .soon img {
        width: 62vw;
    }
}