.d-flex.align-items-start {
    width: max-content; /* make the width fit the longest item */
}

/* Flat Button */
.flat-button {
    background-color: #4CAF50; /* Green */
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    transition-duration: 0.4s;
    cursor: pointer;
}

.flat-button:hover {
    background-color: white; 
    color: black; 
    border: 2px solid #4CAF50;
}

/* Gradient Button */
.gradient-button {
    text-align: center;
    border: none;
    color: white;
    padding: 14px 28px;
    font-size: 16px;
    cursor: pointer;
    background: linear-gradient(45deg, #f3ec78, #af4261);
    transition: background 0.5s;
}

.gradient-button:hover {
    background: linear-gradient(45deg, #af4261, #f3ec78);
}

/* Rounded Button */
.rounded-button {
    border-radius: 12px;
    background-color: #008CBA; /* Blue */
    border: none;
    color: white;
    padding: 10px 24px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    transition-duration: 0.4s;
    cursor: pointer;
}

.rounded-button:hover {
    background-color: lightskyblue;
    border: grey solid 2px;
    color: black;
}

/* Shadow Button */
.shadow-button {
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    background-color: #3e8e41;
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
}

.shadow-button:hover {
    background-color: #3e8e41;
    color: white;
}