index.css

:root{

    --background-color:#fafafa;
    --background-btn:#b2dffc;
    --text:#4297f6;
    --text-color:#959691;
    --border-color:#dbdbdb;
}


*{
    box-sizing: border-box;
    margin:0;
    padding: 0;
}

body{
    background: var(--background-color);
    /* width: 100vh; */
    font-family: 'arial';
}
main{
    margin: 0 auto;
}

.main-container{
    /* display: flex; */
    width: 400px;
    /* overflow: hidden; */
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    /* border: 1px solid black; */
    /* background: green; */
}

 .container-img{
    display: none;
}


.right-side-container{
    display: flex;
    flex-direction: column;
    align-items: center;
}

.form-container{

 /* background: #959691; */
 text-align: center;
 margin-bottom: 20px;
 /* border: 2px solid salmon; */
 width: 100%;
 margin: 20px 20px ;
 display: flex;
 flex-direction: column;
 align-items: center;
    
}

.form-container img {
    margin: 10px 0 30px 0 ;
}


.form-container form input{
    display: block;
    margin: 0 0 10px 0 ;
    height:40px;
    width:290px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    outline: none;


}

.form-container form button{

    width: 290px;
    height: 30px;
    background: var(--background-btn);
    border: none;
    border-radius: 5px;
    padding: 6px;
    color: white;
    font-family: 'arial';
    font-weight: bold;
    margin-bottom: 20px;

}

.form-container form span{
    display: inline-block;
    /* border: 1px solid var(--text-color); */
}

.form-container  p {
    font-size: 14px;
}



.form-container .facebook-login{
    width: 100%;
    line-height: 40px;
}
.form-container .sing-in-container{

    margin: 30px 0;
}



.sing-in-container{

    width: 100%;
    text-align: center;
    /* background: blue; */
    /* margin-top: 20px; */
    padding: 20px;
    /* border: 1px solid black; */
    font-size: 12px;

}

.sing-in-container p {
    font-size: 14px;
}

.facebook-login :nth-child(2){

    font-size: 14px;
    color: #385185;
    font-weight: bold;
    text-transform: capitalize;

}


.facebook-login :nth-child(3){
    font-size: 13px;
}


.sing-in-container span{
    color: var(--text);
    font-weight: bold;
}

.logos-container{
    display: flex;
    flex-direction: column;
    align-items: center;
    /* border: 1px solid black; */
    width: 100%;
    margin: 20px 0 40px 0 ;
    font-size: 14px;
}


.logos-item{
    margin-top: 20px;
}

.logos-container img {

    width: 120px;
    height: 45px;
    margin-right: 5px;
}


footer {
    width: 100%;
    padding:10px;
    justify-content: center;
    margin-bottom: 50px;



}

.footer-container{
    padding: 0 60px 0 ;
    justify-content: center;
    display: flex;
    flex-wrap: wrap;
}

footer li {
    list-style: none;
    font-size: 13px;
    padding: 5px;
    color: var(--text-color); 
    text-transform: capitalize;
    margin-left: 5px;  
}



@media  (min-width:540px) {

   .form-container{
    background: white;
    border: 1px solid var(--border-color);
   }


   .sing-in-container{

    background: white;
    border: 1px solid var(--border-color);

   }

   .footer-container{
    padding: 0 60px 0 ;
    
}
}


@media (min-width:876px){
    

    .main-container{
      
        width: 100%;
        display: flex;
        flex-direction: row;
        justify-content: center;
        
      
    }


    .container-img{
        display: block;
        margin-right: 30px;
    }

   
}