header-footer.css

@media  (min-width: 770px) {

    .hide-desktop{
        display: none;
    }
   
    .show-only-desktop{
        display: block;
        width: 100%;
    }

    header{  
    display: flex;
    align-items: center;
    justify-content: space-between; 
    width: 100%;
    height: 64px;
    background-color: var(--header-oscuro);
    
      }
 .header-container{
   position: relative;
 }

 .header-container .logo{
   position: absolute;
   left: 20px;
 }
 .header-container form {
   position: absolute;
   left: 80px;
 }
    .header-container ul{
      position: absolute;
   left: 365px;
   
    }  
    
       /* search and form */
      
      .search-desktop{
      position:relative;
      width: 20%;   
      margin: 1px;
      background: none;
      border-radius: 6px;
        }

        
  .search-desktop img{
    position: absolute;
    right: 5px;
    top: 1px;  
  }

 input{
     min-height: 28px;
     background-color: var(--header-oscuro);
     color: #ffff;
     border-radius: 6px;
     font-size: 14px;
     padding: 5px 20px;
     padding-right: 10px;
     border-width: 1px;
     line-height: 20px;
 }

 /* herramientas header desktop */

.header-tools-desktop a{
    display: flex; 
    justify-content: space-around; 
    width: 60px;
    font-weight: 400;
    font-size: 16px;
    filter: invert(1);
    color: black;    
}

.tools-desktop{
  display: flex;
  justify-content: space-around; 
align-items: center;
    margin-right: 10px;
}

.octicon-footer{
    display:flex;
} 
 
footer{
    display: flex;
    flex-direction: row;
    line-height: 20px;
    font-size: 12px;
    margin: 1.5rem 1.5rem;    
    justify-content: center;
}


 footer ul {  
    margin: 3rem; 
  }

  footer ul li{  
    padding: 1.3rem; 
  }

  footer li a{
    color: #3666d6;
  }

  footer li a:hover{
      text-decoration: underline;
  }
  
  footer li svg{   
      margin: 3.5rem;
      filter: invert(70%);      
  }
}

@media (max-width: 770px){

    .show-only-mobile{
        display: block;
    }
    .hide-mobile{
        display: none;
    }
    
    footer{
        display: flex;   
        justify-content: center;
        flex-wrap: wrap;
        line-height: 20px;
        font-size: 12px;
        width: 100%;
        margin-bottom: 10px;
        padding: 0 20px 0 20px;     
      }
 
      footer ul li{  
        padding: 10px; 
      }
      
      footer li a{
        color: #3666d6;
      }
}