*{
    margin: 0px;
    padding: 0px;
    box-sizing: border-box ;
    /* list-style: none;
    text-decoration: non; */
}

body{
    font-family: Arial, Helvetica, sans-serif;
}

.header{
    width: 100%;
    height: 57px;
    display: block;
    /* background-color: green; */
}

.inner_header{
    width: 890px;
    height: 100%;
    display: block;
    margin: 0 auto;
    /* background-color: aqua; */
}

.logo_container{
    height: 100%;
    display: table;
    float: left;
}

.logo_text{
    color:black;
    height: 100%;
    display: table-cell;
    vertical-align: middle;
    font-family: 'Montserrat';
    font-size: 30px;
    font-family: 'Courier New', Courier, monospace
}

.navigation{
    float: right;
    height: 100%;
    font-family:Arial, Helvetica, sans-serif;
}

.navigation a:last-child{
    padding-right: 0;
}
.navigation a{
    height: 100%;
    display: table;
    float: left;
    padding: 0px 20px;
}

.navigation a li{
    display:table-cell;
    vertical-align: middle;
    height: 100%;
    font-size: 18px;
    font-family: arvo;
}

.mainboxs{
    float: left;

    margin: 70px;
}

.cards{
    width: 19%;
    display: inline-block;
    flex: 0 0 auto;
    background-color: gray;
    border-radius: 5px;
    margin: 10px;
}

.cards:hover{
    box-shadow: 2px 2px 10px black;
}

.image img{
    width: 100%;
    border-top-right-radius: 5px;
    border-top-left-radius: 5px;
}

.title{
    text-align: center;
}

.description{
    text-align: center;
    padding: 5px;
}

button{
    margin-top:30px;
    margin-bottom: 30px;
    background-color: white;
    border:1px solid black;
    padding: 5px;
    border-radius: 5px;
    cursor: pointer;
}

button:hover{
    background-color: black;
    color:white;
    translate: .5s;
}

@media screen and (max-width:1000px){
    .cards{
        width: 40%;
    }
}

@media screen and (max-width:620){
    .container{
        width: 100%;
    }
    .heading{
        padding:20px;
        font-size: 30px;
    }
    .cards{
        width:80%;
    }
}