*,body{
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
}

/* HEADER */
header{
    background-color: #e2e2e2;
    text-align: center;
    padding: 25px 0;
}
header h1{
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}
header h2{
    font-size: 17px;
    margin-bottom: 15px;
}
header h3{
    line-height: 1.5;
    font-size: 15px;
}
header h3 strong{
    font-weight: 400;
}

/* MAIN */
main{
    width: 80%;
    margin: 0 auto;
    padding: 50px 0;
}
main div{
    display: flex;
    justify-content: space-between;
}
main div section{
    width: 30%;
    padding: 20px 30px;
    box-sizing: border-box;
    border: 1px solid #000;
    border-radius: 8px;
}
main div section h2{
    margin-bottom: 10px;
}
main div section input{
    margin-bottom: 10px;
    width: 100%;
    box-sizing: border-box;
    padding: 13px 10px;
    font-size: 15px;
    letter-spacing: 3px;
    outline: none;
}
main div section button{
    background-color: #a9f6ab;
    border: none;
    padding: 10px 15px;
    font-size: 17px;
    font-weight: 400;
    color: #2d2d2d;
    float: right;
    cursor: pointer;
}
main div section button:hover{
    background-color: #2d2d2d;
    color: #fff;
}


/* FOOTER */
footer{
    padding: 10px 0;
    text-align: center;
    border-top: 1px solid #000;
}


@media screen and (max-width:500px){
    header{
        padding: 25px;
    }
    main div{
        display: block;
    }
    main div section{
        width: 100%;
        margin-bottom: 40px;
    }
    main div section button{
        width: 100%;
        box-sizing: border-box;
        float: unset;
    }
}