style.css

*{
    margin: 0;
    padding: 0;
}

body{
    background-color: #F1F1F1;
}

a:link {
    color: white;
    text-decoration: none;
  }
  
  /* visited link */
  a:visited {
    color: white;
    text-decoration: none;
  }
  
  /* mouse over link */
  a:hover {
    color: white;
    text-decoration: none;
  }
  
  /* selected link */
  a:active {
    color: white;
    text-decoration: none;
  }

  a:hover{
      color:aquamarine;
  }

.heading{
    padding: 1em 0;
    font-size: 2.5em;
    color: #4CAF50;
}

header{
    background-color: #4CAF50;
    text-align: center;
    padding: 1em;
    font-family: Segoe UI;
    color: white;
}

.main{
    background-color: #F1F1F1;
    margin: 1em auto;
    text-align: center;
    width: 80%;
    font-family: Verdana;
    padding: 1em 0;
}

input{
    margin:1em 0;
    border: none;
    padding: 0.5em;
    text-align: center;
    border-radius: 1em;
}

button{
    padding: 0.5em;
    border: none;
    background-color: #4CAF50;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    color: white;
    font-size: large;
    border-radius: 1em;
}

button:hover{
    box-shadow:
  0 2.8px 2.2px rgba(0, 0, 0, 0.034),
  0 6.7px 5.3px rgba(0, 0, 0, 0.048),
  0 12.5px 10px rgba(0, 0, 0, 0.06),
  0 22.3px 17.9px rgba(0, 0, 0, 0.072),
  0 41.8px 33.4px rgba(0, 0, 0, 0.086),
  0 100px 80px rgba(0, 0, 0, 0.12)
}

ul{
    display: flex;
    justify-content: space-evenly;
    padding: 1em;
    list-style: none;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

.container{
    margin: 0  auto;
    text-align: center;
    background-color: white;
}

.container1{
    margin: 0  auto;
    text-align: center;
    background-color: #F1F1F1;
}


li{
    list-style: none;
    cursor: pointer;
    padding: 0.5em;
}

.benefit{
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 1.5em;
}

#green{
    font-family: 'Times New Roman', Times, serif;
    margin: 1em 0;
    font-weight: bolder;
    font-size: xx-large;
    color: green;
    text-transform: uppercase;
}

img{
    max-width: 60%;
}

.container-pro{
    margin : 0 auto;
    display: flex;
    justify-content: space-between;
    width: 80%;
    padding:1em 0; 
}

.img-container{
    max-width: 55%;
    /* height: 500px; */
    object-fit: cover;
}

.p-container{
    margin : 1em 0;
    text-align: right;
    width: 40%;
    font-size: 1.4em;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;

}

footer{
    background-color: #4CAF50;
    text-align: center;
    padding: 24px;
    font-family: Segoe UI;
    color: white;
}

@media(max-width:840px){

    .header-img{
        min-width: 90%;
    }

    .container-pro{
        flex-direction: column;
    }  
    .img-container{
        width : 100%;
        height: 100%;
        margin:0 auto;
        min-width: 90%
    }
    .p-container{
        text-align: center;
        width: 100%;
        font-size: 1em;
        font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    
    }

    .benefit{
        display: flex;
        flex-direction: column;
        font-size: 1em;
    }
}