input[type="text"] {
    width: 100%;
    border: 2px solid #aaa;
    border-radius: 4px;
    margin: 8px 0;
    outline: none;
    padding: 8px;
    box-sizing: border-box;
    transition: 0.3s;
}

input[type="text"]:focus {
    border-color: #074377;
    box-shadow: 0 0 8px 0 #074377;
}

.inputWithIcon input[type="text"] {
    padding-left: 40px;
}

.inputWithIcon {
    position: relative;
}

.inputWithIcon i {
    position: absolute;
    left: 0;
    top: 8px;
    padding: 9px 8px;
    color: #aaa;
    transition: 0.3s;
}

.inputWithIcon input[type="text"]:focus+i {
    color: #074377;
}

.inputWithIcon.inputIconBg i {
    background-color: #aaa;
    color: #fff;
    padding: 9px 4px;
    border-radius: 4px 0 0 4px;
}

.inputWithIcon.inputIconBg input[type="text"]:focus+i {
    color: #fff;
    background-color: #074377;
}

.mensaje {
    width: 100%;
    border: 2px solid #aaa;
    border-radius: 4px;
    margin: 8px 0;
    outline: none;
    padding: 8px;
    box-sizing: border-box;
    transition: 0.3s;
}

.mensaje:focus {
    border-color: #074377;
    box-shadow: 0 0 8px 0 #074377;
}