style2.css

body{
    font-family: 'Montserrat', sans-serif;
   background-color: rgb(255, 255, 255);
}  
body, html {
    height: 90%;
} 
:root{
    --yellow: #f4eb34;;
    --blue: #72afa6;
    --black: rgb(0, 0, 0);
    --white: rgb(255, 255, 255);
}
/* Header */   
header {
    width: 100%;
    background-color: var(--yellow);
    position: relative;
    padding: 0.20em;
}
p{
    color: #000000;
    text-align: center;
    font-size: 1.88rem;
    font-weight: 200;
    width: 100%;
}

/* NAV + LOGO */   
button {
    background-color: var(--blue);
    color: var(--white);
    padding: 14px 20px;
    margin: 8px 0;
    border: none;
    cursor: pointer;
    width: 100%;
  }
.logo{
    width: 255px;
}
 nav{
    display: flex; 
    flex-flow:row nowrap;
    justify-content: space-around;
    align-items: center;
    background-color: var(--white);
    width: 100%; 
    height: 15%;
 }
    .nav-links{
        flex: 1;
        text-align: left;
    }
    
.nav-links ul li{
    list-style: none;
    display: inline-block;
    padding: 1.90em;
    position: relative;
    letter-spacing: 0.3em;
       
}
    
 .nav-links ul li a{
     color:var(--black);
    text-decoration: none;
    font-weight: 400;
    font-size: 1.50rem;
}
    
.nav-links ul li a:hover{
color: #72AEA6;
}
    
.nav menu{
    display: none;
}
.navbar {
     width: 30%;
    background-color: var(--white);
    overflow: auto;
}
      
.navbar a {
    float: left;
    text-align: center;
    padding: 25px;
    color: var(--black);
    text-decoration: none;
     font-size: 30px;
}
.navbar a:hover {
    color: var(--blue);
 }
 
  /* Blog */
* {
    box-sizing: border-box;
 }

#blog{
    display: flex;
    flex-direction: column;
    justify-content:center;
    align-items: center;
    padding: 0px;
    border-top: 0px solid var(--black);
    border-bottom: 0px solid var(--black);

}
.blog-heading h3{
    font-size: 2.4rem;
    color: var(--blue);
    font-weight: 700;
}
.blog-container{
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px 20px;
    flex-wrap: wrap;
}
 
.blog-box{
    width:2000px;
    height: 1500px;
    background-color: var(--white);
    border: 6px solid var(--blue);
    margin: 20px 20px;
 
}
.blog-img{
    width:100%;
    height: 35rem;}
.blog-img img{
    width:100%;
    height: 100%;
    object-fit:cover;
    object-position: center;

}
.blog-text .blog-title{
    font-size: 2.2rem;
    font-weight: 500;
    color: var(--blue);
}
strong{
    color: var(--blue);
    font-weight: 20rem;
}
.blog-text p{
    color: var(--black);
    font-size: 2.3rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    margin: 0px 0px;
}

.blog-title a:hover{
    color: var(--yellow);
    transition: all ease 0.3s;
}

.button {
    background-color: var(--blue);
    border-color: var(--blue);
    color: var(--white);
    font-size: 20rem;
    padding: 20px 34px;
    text-align: center;
    border-radius: 30px;
    display: inline-block;
    font-size: 20px;
    margin-left: 47.5rem;
   
}
 /* footer */
 #footer-flexbox{
     display: flex;
    justify-content: space-evenly;
    font-size: 30px;
    font-weight: bolder;
} 
 h2{
    color: var(--blue);
    font-weight: 900;
}
 footer a{
    text-decoration: none;
    color: var(--black);
    font-size: 28px;
    line-height: 26px;
}
.footer-ul{
    list-style: none;
    min-width: 195px;
    margin-bottom: 25px;
}
footer p{
    padding: 30px;
 }

/* responsive */

@media (max-width: 700px){
    .header {
        min-height: 3em;
        width: 100vw;
    }
    p{
        margin: 1em auto;
        font-size: 0.7rem;
        width: 80%;
    }
    nav{
        min-height: 3em;
    }
    .nav-links ul li{
        margin-top: 1em;
    }
 }
     
@media(max-width:750px){
    .logo{
        width: 150px;
    }

 }
   @media(min-width:700px){
      
    .blog-box{
        width: 60rem;
        height: 90rem;
    }
    .blog-text p{
        font-size: 1.8rem;
    }
}
    @media(max-width:700px){

    .button{
        min-width:700px ;
        margin-left: 200rem;
    }
}