footer.css

footer{
    background: #03101c;
    max-width: 100%;
    height: auto;
}

footer #back-to-top {
    width: 40px;
    line-height: 40px;
    overflow: hidden;
    z-index: 999;
    display: none;
    cursor: pointer;
    position: fixed;
    bottom: 50px;
    right: 0;
    background-color: #aa14cc;
    color: #fff;
    text-align: center;
    transition: .5s;
}

footer #back-to-top:hover {
    background-color: #fff;
    color: #aa14cc;
}

footer .contact-us{
    float: left;
    padding: 10vh 10vw;
}

footer .contact-us #contact-us-logo{
    max-width: 100%;
    height: 20vh;
}

footer .contact-us #contact-us-h2{
    padding-bottom: 5vh;
}

footer .contact-us .contact-us-list ul li a{
    text-decoration: none;
}

footer .contact-us .contact-us-list ul li{
    list-style: none;
    padding: 2vh 0vw;
}

footer .contact-us .contact-us-list ul #social{
    color: #fff;
    float: left;
    margin-right: 5vw;
    cursor: pointer;
}

footer .contact-us .contact-us-list ul #social:hover{
    color: #aa14cc;
    transition: all .5s;
}

footer .contact-us-form{
    padding: 5vh 10vw;
    margin-left: 80vh;
}

footer .contact-us-form #contact-us-form-h3{
    padding-bottom: 2vh;
}

footer .contact-us-form #form{
    background: #020b13;
    max-width: 100%;
    height: 70vh;
    border-radius: 2.5%;
    padding: 0vh 5vw;
    padding-top: 10vh;
}

footer .contact-us-form #inputBox{
    position: relative;
    width: 100%;
    margin-top: 1.5vh;
}

footer .contact-us-form #inputBox input,
footer .contact-us-form #inputBox textarea{
    background: transparent;
    color: #fff;
    width: 100%;
    padding: 3vh 0vw;
    font-size: 2vh;
    margin: 2vh 0vw;
    border: none;
    border-bottom: .5vh solid #03101c;
    outline: none;
    resize: none;
    overflow: hidden;
}

footer .contact-us-form #inputBox label{
    position: absolute;
    left: 0;
    padding: .5vh 0vw;
    font-size: 2vh;
    margin: 2vh 0vw;
    pointer-events: none;
    transition: .5s;
}

footer .contact-us-form #inputBox input:focus ~ label,
footer .contact-us-form #inputBox input:valid ~ label,
footer .contact-us-form #inputBox textarea:focus ~ label,
footer .contact-us-form #inputBox textarea:valid ~ label{
    color: #e91e63;
    font-size: 1.8vh;
    transform: translateY(-20px);
}

footer .contact-us-form #the-count {
    float: right;
    font-size: 2vh;
}

footer .contact-us-form .button {
    display: inline-block;
    border-radius: 4px;
    background-color: #aa14cc;
    border: none;
    color: #fff;
    text-align: center;
    font-size: 2vh;
    padding: 2vh;
    width: 100%;
    transition: all 0.5s;
    cursor: pointer;
    margin-top: 5vh;
  }

footer .contact-us-form .button span {
    cursor: pointer;
    display: inline-block;
    position: relative;
    transition: 0.5s;
}
  
footer .contact-us-form .button span:after {
    font-family: "Font Awesome 5 Free";
    content: '\f1d8';
    position: absolute;
    opacity: 0;
    top: 0;
    right: -20px;
    transition: 0.5s;
}

footer .contact-us-form .button:hover span {
    padding-right: 25px;
}
  
footer .contact-us-form .button:hover span:after {
    opacity: 1;
    right: 0;
}

/*-- Media Query --*/

/*-- Laptop L --*/

@media (max-width: 1440px) {
     
}

@media (max-width: 665px) {
    footer{
        height: 170vh !important;
    }

    footer .contact-us{
        float: none !important;
        padding: 10vh 12vw !important;
    }
    
    footer .contact-us-form{
        margin-left: 0vh !important;
    }
}

/*-- Laptop --*/

@media (max-width: 1024px) {
    footer .contact-us-form{
        margin-left: 50vh;
    }    
}

@media (max-width: 599px) {
    footer{
        height: 170vh !important;
    }

    footer .contact-us{
        float: none !important;
        padding: 10vh 12vw !important;
    }
    
    footer .contact-us-form{
        margin-left: 0vh !important;
    }
}

/*-- Tablet --*/

@media (max-width: 768px) {
    footer .contact-us-form{
        margin-left: 50vh;
    }
}

/*-- L Mobile --*/

@media (max-width: 425px) {
    footer #back-to-top {
        width: 30px !important;
        line-height: 30px !important;
    }
    
    footer{
        height: 170vh !important;
    }

    footer .contact-us{
        float: none !important;
        padding: 10vh 12vw !important;
    }
    
    footer .contact-us-form{
        margin-left: 0vh !important;
    }

    footer .contact-us-form #inputBox label{
        font-size: 1.5vh !important;
    }
}

@media (max-height: 425px) {
    footer{
        height: 180vh !important;
    }

    footer .contact-us{
        float: none !important;
        padding: 10vh 12vw !important;
    }
    
    footer .contact-us-form{
        margin-left: 0vh !important;
    }

    footer .contact-us-form #form{
        height: 75vh !important;
    }

    footer .contact-us-form #form label{
        font-size: 1.5vw !important;
    }

    footer .contact-us-form #form .button{
        font-size: 1.5vw !important;
    }
}

/*-- M Mobile --*/

@media (max-width: 375px) {
    footer{
        height: 160vh !important;
    }

    footer .contact-us{
        float: none !important;
        padding: 10vh 12vw !important;
    }
    
    footer .contact-us-form{
        margin-left: 0vh !important;
    }
}

@media (max-height: 375px) {
    footer{
        height: 180vh !important;
    }

    footer .contact-us{
        float: none;
        padding: 10vh 12vw !important;
    }
    
    footer .contact-us-form{
        margin-left: 0vh !important;
    }

    footer .contact-us-form #form{
        height: 75vh !important;
    }

    footer .contact-us-form #form label{
        font-size: 1.5vw !important;
    }

    footer .contact-us-form #form .button{
        font-size: 1.5vw !important;
    }
}

/*-- S Mobile --*/

@media (max-width: 320px) {
    footer #back-to-top {
        width: 25px !important;
        line-height: 25px !important;
    }
 
    footer{
        height: 160vh !important;
    }

    footer .contact-us{
        float: none !important;
        padding: 10vh 12vw !important;
    }
    
    footer .contact-us-form{
        margin-left: 0vh !important;
    }   
}

@media (max-height: 320px) {
    footer{
        height: 180vh !important;
    }

    footer .contact-us{
        float: none !important;
        padding: 10vh 12vw !important;
    }
    
    footer .contact-us-form{
        margin-left: 0vh !important;
    }

    footer .contact-us-form #form{
        height: 75vh !important;
    }

    footer .contact-us-form #form .button{
        font-size: 1.5vw !important;
    }
}