contacto_style.css

body{
    background: #56575b;
    font-family: 'Montserrat', sans-serif;
}
header{
    background: url(imagenes/header.png);
    padding: 20px 0;
}
.caja{
    width: 940px;
    position:relative;
    margin: 0 auto;

}
nav{
    position: absolute;
    top: 20px;
    right: 0;
}
nav li{
    display: inline;
    margin: 0 0 0 15px;
    background: #ffffff;
    border: 5px 
}
nav a{
    text-transform: uppercase;
    color: black;
    font-size: 22px;
    text-decoration: none;
    background: #ffffff;
    border: 1px dashed #000000;
    padding: 3px;
    border-radius: 10px;
    transition: 1s all;
}
nav a:hover{
    border-color:  #4590f7 ;
    border-style: solid;
    border: none;
    font-size: 26px;
    transform: rotate(25deg);
    box-shadow: 10px 10px 30px #197a10;

}
main{
    width:940px;
    margin: 0 auto;
}
form{
    margin: 40px 0;
    color: white;
}
form label,form legend{
    display: block;
    font-size: 20px;
    margin: 0 0 10px;
    
}
.input-padron{
    display: block;
    margin: 0 0 20px;
    padding: 10px 25px;
    width: 50%;
    background:  #1d2020 ;
    border-color:#4590f7;
}

::placeholder {
     color: white; 
}
.checkbox{
    margin: 20px 0;
}
.enviar{
    width: 40%;
    padding: 15px 0;
    font-size: 18px;
    font-weight: bold;
    color: #ffffff;
    background:  #56cdd1;
    border: none;
    border-radius: 5px;
    transition: 1s all;
    cursor:pointer;
}
.enviar:hover{
    background:   #2c878a  ;
    transform: scale(1.20);
}
table{
    margin: 40px 40px;
}
thead{
    background: #000000;
    color:#ffffff;
    font-weight: bold;
}
td,th{
    border: 1px solid #000000;
    padding: 8px 15px;
}
footer{
    text-align: center;
    background: url(imagenes/footer.png);
    padding: 40px;
}

.social {
    display: flex;
  }

.link {
              text-decoration: none;
              color: #b7b7b7;
              margin: 10px;
              width: 50px;
              height: 50px;
              display: inline-flex;
              justify-content: center;
              align-items: center;
              background: rgb(28, 28, 28);
              border-radius: 10px;
              position: relative;
              transition: 0.4s;
          }
          .link:hover {
              transform: rotate(25deg);
          }
          .link::before {
              content: " ";
              position: absolute;
              width: 100%;
              height: 100%;
              opacity: 0;
              background: #373737;
              border-radius: 10px;
              transition: opasity 0.2s;
          }
          .link:hover::before {
              opacity: 0.4;
          }
          .link:nth-child(1)::before {
              background: #c32aa3;
          }
          .link:nth-child(2)::before {
              background: #1da1f2;
          }
          .link:nth-child(3)::before {
              background: #e42727;
          }
          .link:nth-child(4)::before {
              background: #0a66c2;
          }
          .link:hover::before {
              transform: translate(-4px, -4px);
              filter: blur(10px);
          }
          .link i {
              font-size: 1.7em;
              transition: all 0.4s;
          }
          .link:hover i {
              color: #c8c8c8;
            transform: rotate(-25deg);
          }
          .link:hover i.instagram {
              color: #c32aa3;
          }
          #insta{
            width:50px;
          }
          .link:hover i.twitter {
              color: #1da1f2;
          }
          #twitter{
            width:50px;
          }
          .link:hover i.youtube {
              color: #b41616;
          }
          #youtube{
            width:50px;
          }
          .link:hover i.linkedin {
              color: #0a66ca;
          }
          #linkedin{
            width:50px;
          }
.copyright{
    color: #ffffff;
    font-size: 13px;
    margin: 20px;
}

@media(max-width: 480px){
    h1{
        text-align: center;
    }

    nav{
        position: static;
    }

    .caja, .principal, form label, form legend, form,.enviar,.input-padron{
        font-size: 12px;
        width: auto;
    }
    #mensaje{
        width:20%;
    }
}