* {
    box-sizing: border-box; 
}

html {
    font-size: 12px;
}

body {
    margin: 0;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 600;
}
.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    justify-content: center;
    width: clamp(460px, 70vw, 960px);
    margin: 0 auto;
}
.flex-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}
header {
    display: flex;
    align-items: center;
    }

  header, main, footer {
        
 padding: 1rem;
  margin: 1rem;
    }

    main{
        flex-grow: 1;
    }
 h2 {
        margin-bottom: 20px;
        font-weight: 700;
        font-size: 22px;
    }
p {
        line-height: 2;
        font-size: 16px;
    }
 header h1 {
        font-size: 26px;
        margin-right: auto;
    }
 header> a {
        margin: 0px 5px;
        font-size: 24px;
        color: #000;
        text-decoration: none;
        cursor: cell;
    }
 .cell {
        display: inline-block;
        min-height: 100px;
        width: calc (100% / 4);
        padding: 10px;
        object-fit: contain;
    }
 .cell_con{
        
    background: #fff;
    padding: 5px;
}
    
    .icon_container {
        border-radius: 20px;
        box-shadow: 0 0 20px #c5cddd;
        min-width: 100px;
    }
    
    
    .header_cell{
    
        background-image: linear-gradient(to right top, #00ff8c, #00ff9a, #00ffa6, #00ffb2, #00ffbd, #26ffc5, #3affcc, #4affd2, #64ffd8, #78ffdd, #8bffe2, #9cffe7);
        height: 200px;
        border-radius: 20px 20px 0 0;
        display: block;
    }
    .img_cell {
        width: 300px;
        height: 300px;
        border-radius: 250px;
        border: 10px solid rgb(80, 250, 136);
        display: block;
        margin: -100px auto 40px;
        max-width: 100%;
        box-shadow: 0 0 15px white;
        object-fit: cover;
    }
    .h1_cell {
        text-align: center;
        font-family:'Mate SC', serif;
        font-size: 45px;
        color: rgb(0, 201, 77);
        margin-bottom: 10px;
        text-shadow: 0px 0px 4px darkgreen;
    }
    .text {
        padding: 40px;
        font-size: 24px;
        line-height: 2;
        text-align: justify;
    }
    .icons {
        display: flex;
        justify-content: space-around;
        color: black;
        font-size: 60px;
        margin-bottom: 40px;
       
    }
    
    .button {
        display: flex;
        justify-content: center;
        align-items: center;
        
    }
    button{
        color: whitesmoke;
        background: rgb(0, 202, 0);
        padding: 20px;
        border-radius: 10px;
        text-transform: uppercase;
        font-size: 44px;
        text-align: center;
        width: 70%;
    
    
    }
    footer {
        display: flex;
        justify-content: center;
        text-transform: uppercase;
        align-items: center;
    
    }
    footer p {
        margin-right: 25px;
    }
    footer>a {
        border-left:1px solid #000 ;
        text-decoration: none;
        color: #000;
        padding: 5px 10px;
        text-align: center;
        font-size: 13px;
    }
    main{
        flex-grow: 1;
    }