@keyframes fadeIn {
  from {
    opacity: 0;    
  }

  to {
    opacity: 1;
  }
}

*{
    margin: 0;
    padding: 0;    
    font-family: "Poppins", Arial, Helvetica, sans-serif;    
    color: #252530;
}

body{
    box-sizing: border-box;
    background: #252530;
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
}

a{
    text-decoration: none;
    display: block;
}


.opening-page{
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 3s;
}

.button-area{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.opening-page .container{
    max-width: 900px;
    width: 100%;   
    margin: auto;
    padding: 0 24px 0;
}

.opening-page .opening-page-content{
    text-align: center;
}

.opening-page h1{
    font-size: 80px;
    font-weight: 700;
    text-shadow: 8px 11px 5px rgb(37, 37, 48, 40%);
}

.button-area{
    margin: 190px 0 0;
}


.button-area .btn{
    display: flex;
    align-items: center;
    gap: 12px;    
    max-width: 300px;
    width: 100%;
    padding: 20px 0;
    font-size: 36px;
    line-height: 46px;
    color: #fff;
    font-weight: 400;
    background: #252530;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.20s;    
}

.button-area .btn:hover{   
    background: #000;
    transition: 0.20s;
    -webkit-transform: scale(0.9);
    transform: scale(0.9);
}

.button-area .btn:hover i{
    
    transition: 0.20s;
}

.button-area i{
    display: inline-flex;
    color: #fff;
    font-size: 32px;
    transition: 0.20s;
}

@media screen and (max-width: 768px){
    .opening-page h1{
        font-size: 50px;
        font-weight: 600;
    }
    .button-area .btn{         
        max-width: 160px;        
        padding: 12px 0;
        font-size: 16px;
        line-height: 20px;           
    }  
    .button-area{
        margin: 134px 0 0;
    }
    .button-area .btn:hover{       
        -webkit-transform: scale(1);
        transform: scale(1);
    }
    .button-area i{        
        font-size: 16px;        
    }
}