*{margin: 0;padding: 0;box-sizing: border-box;}
.main {
    height: 100vh;
    color: #fff;
    background-image: linear-gradient(rgba(0, 0, 0, 0.25), rgba(0, 0, 0, 0.25)), url("./asstss/header.png");
    background-position: center bottom;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    background-attachment: fixed;
}
    .feature{
        background-image:url("./asstss/dirt.jpg");
        display: flex;
        flex-direction: row;
        padding: 2em;
        flex-wrap: wrap;
    }
    .feature div{
        text-align: center;
        margin: 1em auto;
        width: 20em;
        height: 3rem;
        background-color: rgba(255, 255, 255, 0.8);
    }
    .feature div:hover{
        background-color: rgba(255, 255, 255, 0.3);
    }
    #btn1{
        margin: 0 auto;
        align-items: center;
        background-color: #CCFFFF;height: 30px;width: 120px;border-radius: 10px;
        text-align: center;
        color: #555;
    }
    #btn{
        margin-left: 2rem;
        background-color: black;
        font-size: 15px;
        font-weight: bold;
        letter-spacing: 2px;
        padding: 12px 42px;
        margin-top: 40px;
        margin-right: 16px;
        transition: all 0.4s ease-in-out;
    }
    #btn:hover{cursor:pointer;background-color: #6699CC;}
    #btn:hover{box-shadow: 0 2px 4px -1px rgba(0,0,0,.2),0 4px 5px 0 rgba(0,0,0,.14),0 1px 10px 0 rgba(0,0,0,.12);}
.title h1{text-align:center;}
.title div{padding-left: 2rem;}
footer{
    background: #34363a;
    color: #aaa;
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
}
footer img{
    width: 8rem;
    height: 8rem;
    margin: 2rem;
}
footer div{
    margin-top: 2em;
}