.contato-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
}

.contato-content {
    width: 100%;
    max-width: 720px;
    padding: 10px;
}

.section-title {
    font-family: Optima-Regular;
    font-size: 40px;
    color: #252829;
    letter-spacing: -0.71px;
    line-height: 48px;
}

.email-contato {
    text-decoration: none;
    color: #252829;
}
.section-text-contato {
    font-family: Optima-Regular;
    font-size: 20px;
    color: #252829;
    letter-spacing: -0.71px;
    line-height: 32px;
}

.mdl-textfield {
    width: 100% !important;
}

.mdl-textfield--floating-label.is-invalid .mdl-textfield__label {
    opacity: 0.2 !important;
    font-family: Aeonik-Regular !important;
    font-size: 24px !important;
    color: #222424 !important;
    letter-spacing: 0 !important;
    line-height: 32px !important;
}

.mdl-textfield__label:after {
    background-color: #000 !important;
}

.mdl-textfield.is-invalid .mdl-textfield__input {
    border-color: rgba(0, 0, 0, 0.12) !important;
}

.mdl-textfield.is-focused .mdl-textfield__input {
    border-color: #222424 !important;
    line-height: 66px !important;
}

.mdl-textfield--floating-label.is-focused .mdl-textfield__label, .mdl-textfield--floating-label.is-dirty .mdl-textfield__label, .mdl-textfield--floating-label.has-placeholder .mdl-textfield__label {
    font-family: Aeonik-Regular !important;
    color: #222424 !important;
    opacity: 0.5 !important;
    font-size: 16px !important;
    border-color: #222424 !important;
}

.mdl-textfield__input {
    font-family: Aeonik-Regular !important;
    font-size: 24px !important;
    color: #222424 !important;
    letter-spacing: 0 !important;
    line-height: 48px !important;
}

.mdl-textfield__input:valid {
    line-height: 66px !important;
}

.btn-send-message {
    background: #222424 !important;
    width: 100% !important;
    height: 88px !important;
    font-family: Aeonik-Regular !important;
    font-size: 16px !important;
    color: #FFFFFF !important;
    letter-spacing: 10px !important;
    line-height: 24px !important;
}
.btn-send-message:active {
    opacity: 0.8!important;
    -moz-transition: all 0.4s ease-out;  /* FF4+ */
    -o-transition: all 0.4s ease-out;  /* Opera 10.5+ */
    -webkit-transition: all 0.4s ease-out;  /* Saf3.2+, Chrome */
    -ms-transition: all 0.4s ease-out;  /* IE10? */
    transition: all 0.4s ease-out;  
}

.help-block {
    color: red;
}