index.css

*{
    scroll-behavior: smooth;
}
body{
    margin: 0;
    padding: 0;
    width: 100%;
    height: auto;
    font-family: Helvetica;
}
header{
    text-align: center;
    padding: 40px;
    margin: 40px;
}
header h1::before{
    content: open-quote;
}
header h1::after{
    content: close-quote;
}
.container{
    background: #ddd;
    border-radius: 20px;
    height: auto;
    margin: 10% auto 50px auto;
    padding-top: 30px;
    padding-bottom: 30px;
    box-shadow: 0px 0px 20px 10px rgba(0,0,0,0.5);
    /* transition: all .5s ease; */
}
.card{
    margin: 20px auto;
    width: 80%;
    height: 90%;
    border-radius: 20px;
    border: none;
    box-shadow: 0px 0px 10px 3px rgba(0,0,0,0.5);
}
.card img{
    width: 40%;
    margin: 0 auto;
}
.card .card-body{
    color: white;
    background: #777;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
    box-shadow: 0px 5px 10px 2px rgba(0,0,0,0.3);
}
.load{
    padding: 100px;
}
.btn{
    font-size: 20px;
}
.top{
    text-decoration: none;
    color: white;
}
.top:hover{
    text-decoration: none;
    color: rgba(255,255,255,0.5);
}
.loader{
    width: 200px;
    height: 200px;
    margin: auto;
    border-radius: 50%;
    border-top: 5px solid crimson;
    border-right: 5px solid transparent;
    border-left: 3px solid rgb(238, 44, 83);
    animation: animate 1s linear infinite;
    transition: opacity .5s ease;
    opacity: 1;
}

@keyframes animate{
    from{
        transform: rotate(0deg);
    }
    to{
        transform: rotate(360deg);
    }
}