:root{
    --pm-background-color: lightgrey;
    --pm-blue: #5998ff;
    --pm-green: #4CAF50;
    --pm-dark-blue: #2e79f4;
    --pm-dark-green: #4c9450;
    --pm-button-hover-shadow: 0 0 8px rgba(0, 0, 0, 0.6);
    --pm-button-active-shadow: none;
    --pm-font: "Roboto", sans-serif;
}

*{
    font-family: var(--pm-font);
}

.card {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    transition: 0.3s;
    padding: 5px;
    background: white;
}

body {
    background: lightgrey;
}

/* BUTTONS */
.green-btn {
    text-transform: uppercase;
    outline: 0;
    background: var(--pm-green);
    width: 100%;
    border: 0;
    padding: 15px;
    color: white;
    font-size: 14px;
    cursor: pointer;
}
.green-btn:hover{
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.6);
}
.green-btn:active{
    box-shadow:none;
    background: var(--pm-dark-green);
}

.blue-btn {
    text-transform: uppercase;
    outline: 0;
    background: var(--pm-blue);
    width: 100%;
    border: 0;
    padding: 15px;
    color: white;
    font-size: 14px;
    cursor: pointer;
}

.blue-btn:hover{
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.6);
}

.blue-btn:active{
    box-shadow:none;
    background: var(--pm-dark-blue);
}

.expand input {
    background: #eee;
    padding: 10px;
    border: none;
}

.expand:after {
    display: block;
    content: "";
    border-bottom: 3px solid var(--pm-dark-blue);
    transform: scaleX(0);
    transition: transform 0.5s;
    transform-origin:  0% 50%;
}

.expand:hover:after {
    transform: scaleX(1);
}

/* TEXT INPUT */
.blue-txt {
    background: white;
    width: 100%;
    border:0;
    border-bottom: solid var(--pm-blue);
    padding: 15px;
    box-sizing: border-box;
    font-size: 14px;
}
.green-txt {
    background: white;
    width: 100%;
    border:0;
    border-bottom: solid var(--pm-green);
    padding: 15px;
    box-sizing: border-box;
    font-size: 14px;
}
.blue-txt:focus{
    border-bottom: solid var(--pm-dark-blue);
}
.green-txt:focus{
    border-bottom: solid var(--pm-dark-green);
}
.blue-txt, .green-txt{
    outline: none;
}
.blue-txt, .green-txt{
    outline: none;
}

form label{
    margin-top: 5%;
}