Formulario

Buenas tardes a tod@s, continúo con el ánimo puesto!!!

CSS

header{
    background-color: greenyellow;
    padding: 20px 0;
}

.cajónHeader{
    width: 940px;
    position: relative;
    margin: 0 auto;
}

nav{
    position: absolute;
    top: 55px;
    right: 0;
}

#Logo{
    width: 200px;
    height: 100px;
    padding: 10px;
}

nav li{
    display: inline;
    margin: 0 0 0 15px;
}

nav a{
    text-transform: uppercase;
    color: #000000;
    font-weight: bold;
    font-size: 22px;
    text-decoration: none;
}

nav a:hover{
    color: #c78c19;
    text-decoration: underline;
}

.servicios{
    width: 940px;
    margin: 0 auto;
    padding: 30px;
}

.servicios li{
    display: inline-block;
    text-align: center;
    width: 20%;
    vertical-align: top;
    margin: 0 1.5% 1.5%;
    padding: 30px 20px;
    box-sizing: border-box;
    border-color: #000000;
    border-width: 2px;
    border-style: solid;
    border-radius: 10px;
}

.servicios li:hover{
    border-color: #c78c19;
}

.servicios li:active{
    border-color: #088c19;
}

.imgservice{
    width: 130px;
    height: 90px;
}

.servicios h2{
    font-size: 28px;
    color: greenyellow;
    font-style: italic;
    font-weight: bold;
}

.servicios h2:hover{
    font-size: 30px;
    text-decoration: underline;
    color: cyan;
}

.clase-servicio{
    font-size: 13px;
    font-weight: bold;
}

.calse-costo{
    font-size: 15px;
    color: greenyellow;
    font-style: oblique;
    font-weight: bold;
    margin-top: 10px;
}

footer{
    text-align: center;
    background-color: greenyellow;
    padding: 20px;
}

.footer{
    width: 200px;
    height: 100px;
}

.copyright{
    font-size: 13px;
    font-weight: bold;
    margin: 20px;
}

.copyright:hover{
    font-size: 16px;
    text-decoration: underline;
    color: #c78c19;
}

main{
    width: 940px;
    margin: 0 auto;
}

form{
    margin: 40px 0;
}

form label{
    display: block;
    font-size: 20px;
    margin: 0 0 10px;
}

form input{
    display: block;
    margin: 0 0 20px;
    padding: 10px 25px;
    width: 50%;
}

Resultado Saludos cordiales y apretrón de mano desde Medellín - Colombia.